> Maybe human brains are just pattern matching too.

I don't think there's much of a maybe to that point given where some neuroscience research seems to be going (or at least the parts I like reading as relating to free will being illusory).

My sense is that for some time, mainstream secular philosophy has been converging on a hard determinism viewpoint, though I see the wikipedia article doesn't really take stance on its popularity, only really laying out the arguments: https://en.wikipedia.org/wiki/Free_will#Hard_determinism