Let's talk about Fizz auto range and hit registration

I've noticed certain oddities or even inconsistencies with Fizz's auto attacks. I shouldn't be complaining because the instances I'm talking about have actually helped me out on numerous occasions while playing Fizz, like autoing people who are clearly out of the usual auto range. I don't really remember it being this bad before. I have a theory that sometimes Fizz's autos register instantly before the attack animation and that's why it seems that way, but I've noticed some really weird stuff like autoing a champion THROUGH a turret or my auto apparently registering on someone after they flashed away from me. I would have put this in the bug forum but I honestly don't think it's a bug... I think it's just awkward mechanics. Thoughts?