Why is it "absurd"? Your whole argument on this page seems to be from a
stance of dodgy semantics and argument for arguments sake.
I agree that "ethics" can be a moveable feast. We could come up with some
examples from the Roman arena to the temples of the Aztecs to show how the
"ethics" of one society does not match up with those of another.
A stark and simplistic call to "ethics" that mirrors the type of call to
moral rectitude that effectively only references itself as the true moral
guardian, without real explanation
, is not a great idea.
However, I've not seen the free software movement making this kind of call to
authority.
Your agumentitivness seems more to stem from problems you have with religion
than a discussion over how to argue the benefits of free software. It seems
a pointless and divisive argument to be having here.