Your reasoning is fallacious though. We know that atheists hold other ideological beliefs that may or may not be conducive to dishonesty the same as with theists.
But the OP question isn't about that. It is only about if believing in a god or not believing in a god, impacts percepetion of trustwortiness.
The question is a generalisation, so it doesn't matter that other beliefs are not specified as we are talking about the totality or religious v irreligious worldviews.
I interpreted it otherwise, about how perception of trustworthiness is impacted by believing in a god vs not believing in a god.
If it's not and the it's rather about the generalisation of like, literaly everything anyone could believe at any time... then I'ld say that the question is rather stupid since then it could be rephrased as "
do you think that some belief one can hold could impact trustworthiness more or less then another belief one can hold".
Well... yeah. Sounds like stating the obvious.
Some beliefs/worldviews are going to impact it more then others, sure.
Theism and atheism on their own are single issue, but you were comparing theistic belief systems (ideologies) with "single issue" atheism, rather than the like for like comparison: atheistic belief systems (ideologies).
I was comparing theism with atheism, yes.
Atheism as such as being: anything that doesn't include gods.
And I stick by my answer.
Your behaviour is determined by the things you DO believe, not by the things you don't believe.
So, there is no logical pathway from the mere fact of atheism towards incentives for more or less trustworthiness. In theism, there can be, since theism
includes doctrines and rules and duties and such, within the context of the specific religion that is being followed.
Atheism doesn't have anything like that. Or better put in context of my response: there's none you can
derive from that. Because one doesn't derive such things from "not believing". Such things are determined by what you DO believe. So someone's theism is going to define that person's worldview. Someone's atheism, is not going to do that. That person's worldview will necessarily have to have another source.
By these "atheistic ideologies", I'll go ahead and assume you mean things like secular humanism? Or even communism or something like that?
Here's how it's different. Communism is not a type of atheism. Secular humanism, is not a type of atheism. But christianity IS a type of theism. Islam IS a type of theism.
If we flip your argument we can make the same point in reverse. Theism on its own is just belief in god, it has no rules. Atheistic ideologies on the other hand contain guiding principles that may cause someone to behave dishonestly.
Except that I don't actually think that you can give me a single example of "atheistic ideology", as all those that you will come with, might also appeal to theists.
For example, I don't see how the political ideology of communism could only ever be atheistic. In fact, I'ld say a good case could be made to say that Jesus in the bible preaches communism or something akin to it. It doesn't sound like he would like capitalists very much in any case.
Secular humanism is the same. They are only atheistic insofar as they don't include any gods or don't have to. They are not atheistici in the sense that you can't be a member of the club unless you are an atheist.
Theists can be communists, right?
But an atheist
can not be a christian or a muslim. That would be like a married bachelor.
Of course there are atheistic ideologies, and it makes perfect sense to describe an atheist's worldview as being atheistic.
But the question is, are these ideologies you speak off but haven't named yet, exclusive to atheists?
Can only atheists adhere to said worldviews?
Atheism is even a fundamental axiom in numerous ideologies so it's hardly incidental to the belief system.
Perhaps as an inclusion, but that's hardly the same as being derived from it.
That is to say, christianity is
an instance of theism.
But communism (for example) is not an instance of atheism. It might include "forced atheism" (that is to say: forbid religion; make it illegal), but that is hardly the same as actually
being atheism.
Nothing in atheism mandates any kind of behaviour whatsoever.
I, on the other hand, know of no instance of theism that does NOT mandate or even
requires or prohibits any kind of behaviour.
And it is from that perspective that I formulated my answer.