I was defending your field against someone who made the accusation that science seeks to disprove God.
Science doesn't seek anything. Over the past several years I've noticed two things. One is the way in which people (religious or not) understand science as a unified entity in a way that it is not. Another is how much of a disconnect exists between widespread conceptions of how scientific knowledge is advanced or improved, and what actually happens. So, for example:
The scientific community as a whole, however, really does work the advancement of human knowledge.
this is true. No matter the field, the aim is to increase knowledge. Of course, that is also true of Buddhist monks, historians, conspiracy theorists, and mathematicians. It is very easy to differentiate the empiricism of Science from other methods of advancing human knowledge so long as one depicts Science as having any such method. It doesn't. It doesn't because for any given field (or area of research) there may be methods that completely differ in any number of important ways from some set of methods in another field. And within a field, the same methods can yield evidence that is interpreted in radically different ways.
There are peer-reviewed journals by qualified scientists that continually publish things on the scientific basis of acupuncture, ESP or other parapsychology, and alternative medicine in general. Scientists who work in medical, behavioral, and other related sciences who do not consider these studies as anything other than bad research do not publish in them. Nor do they typically read them. Sometimes, thankfully, mainstream scientists will conduct meta-reviews or similar studies on the problems with experimental design, with the interpretations, with the statistical techniques used, or some combination of all of the above. And I believe such criticisms are accurate. I think that bad research has created "evidence" that only reflects the problems with the methodologies employed and/or interpretations of the result.
That's because I have a certain standard for what I consider to be evidence. I think that an enormous amount of research in the social and behavioral sciences (and their offspring) is seriously flawed. Current tools used across a wide-variety of fields, from cognitive neuropsychology to consumer sciences and beyond, enable people who have no real understanding of mathematics to employ extremely sophisticated analyses that look impressive. It's garbage, but it has many fancy terms and lots of numbers.
When you talk about credible evidence, you will find that people differ greatly on what this means. And you will find that within any science, a particular theoretical framework guides not just the interpretation of evidence, but its production. If, for example, I believe that all thought is the manipulation of arbitrary symbols according to algorithms which can be implemented on any number of devices, from brains to a some single-state stochastic machine far less advanced that your average smartphone, I am not likely to delve into the ways in which abstract thought may be grounded in non-trivial ways in sensory and motor experience and processes. I am likely to think the algorithms are far more important than anything else (such as the implementation device).
If I believe that any model of some biological system should have a one-to-one relation between the characteristics and specifications of the model and particular states, processes, and elements of the system, I am likely to find systems biology a step in the wrong direction.
In other words:
1) All research in any given science relies on particular frameworks. These frameworks are used not only to interpret evidence in one way rather than another, but also to produce particular evidence because these frameworks exist largely as a set (in the mathematical sense) of some hypotheses and not others.
2) These epistemological frameworks are frequently at least partly ideological. Einstein did not dedicate years of his life trying to show quantum physics wasn't physics (or at best is just what we have until we can make it into physics) because of some idle curiosity. His opposition to these non-physical "systems" dwelling in some abstract mathematical space was ideological. "God does not play dice" certainly wasn't actually related to religion or any God at all, but it was an expression of how Einstein understood, at a very fundamental and personal level, what reality is.
3) Evidence is relative. There are numerous journals out there (and I do not mean "creation science" journals, in that these journals do have certain standards and have at times produced important research) which I find to lack what is needed for their "evidence" to be considered evidence of anything.
It works to find the truth. In what way did I tell you what it is you do?
This still has virtually nothing to do with what I said originally. However, you make it sound like scientists are actively trying to debunk the existence of god. Really, they're just trying to figure out the truth. Unsurprisingly, those things look very similar.
If we gloss over the seeming contrast between me and "scientists", we're still left with what "scientists" are trying to do. Saying that scientists are trying to figure out the truth is, on the surface, simply to say scientists are human. On a deeper level, it is to create a fictitious entity united by a quest for some truth in ways that non-scientists are not.
Do you know how many studies have been conducted and published and which try to show the ways in which religious people have any number of a wide range of negative traits? They resemble the ways in which scientists use to "research" not only ways in which the "inferior" races were inferior, but what to do about it.
The entire field of psychiatry as it has existed since the 80s was motivated by one of the most successful business maneuvers I've ever heard of.
They recovered memory movement in psychology tore lives apart, ruined reputations, and permanently scarred the minds of many people.
These and other examples are still quests for the truth (at least mostly), but they are motivated by ideological and other concerns far more than some noble quest of The Scientist, stalwart warrior of Truth and Objectivity