> initially were very nice and tried to give the author very polite suggestions on improvement, and it was only after the author being extremely dismissive[1], not admitting to his own flaws, not wanting to learn from others, and abusing his own power in shutting down valid discussion, that things turned nasty.

Yes, nice comments such as

>seriously? Please just stop writing Rust. You do not respect semver, you do not respect soundness, so why are you using a language predominantly based around doing these things right?

and

> Never write rust code again