Yeah, you are both doing one version of empericism for which there are 2 in play.
"... This article characterizes empiricists more broadly as those thinkers who accept Locke’s Axiom that there is no idea in the mind that cannot be traced back to some particular experience. ..."
iep.utm.edu
But the question is if all experince is external.
E.g. is morality external or is the experince of good and bad internal?
Hence the connection to this as I already posted it:
undsci.berkeley.edu
I.e. if all experince was external, then science could do that in the link, that it can't, because it is not external experince.
It doesn't meet these version of objective or external:
expressing or dealing with facts or conditions as perceived without distortion by personal feelings, prejudices, or interpretations
of, relating to, or being an object, phenomenon, or condition in the realm of sensible experience independent of individual thought and perceptible by all observers
expressing or dealing with facts or conditions as perceived without distortion by personal feelings, prejudices, or interpretations; limited to choices of fixed alternatives and reducing subjective factors to a minimum… See the full definition
www.merriam-webster.com