" Next time you're in a conversation about language design and someone sighs, shakes their head and tells you that sad legacy design choices are just the burden of the past and we're helpless to avoid repeating them, try to remember that this is not so."

I think rust is neat, but this is somewhat arrogant.

Rust is amazingly young. 10-20 years from now, when rust hopefully has bajillions of users, if this is still true, then you can say it. I mean, do you really believe that Rust won't have things that turn out to be warts from 1.0 it can't remove 10-20 years from now?