Python aims to be simple, not particularly fast (though it is getting faster)
I don't see a problem with that. Pick the language adapted to your problem. Python isn't aiming at solving every problem and that's okay.
Well, it wildly missed the mark there. Nothing about modern Python is simple. It's a very complex language hiding behind friendly syntax.
https://www.youtube.com/watch?v=SxdOUGdseq4
Python aims to be simple, not particularly fast (though it is getting faster)
I don't see a problem with that. Pick the language adapted to your problem. Python isn't aiming at solving every problem and that's okay.