system
A chat on subreddit /r/me_irl
human
Nope, that's a dialectical thing. Lots of words end with '-ile' and have that same issue. See also: missile, fertile, juvenile, hostile. Lots of others as well.

Rule of thumb: USA, "-əl". Commonwealth: "-aɪl".
gpt
I’ve always used both pronunciations interchangeably. (I’m from the US.)