IIRC, it was not about Rust vs. C, but a commotion rooted from patch quality and not pushing people around about things.

Linux Kernel team has this habit of a forceful pushback which breaks souls and hearts when prodded too much.

Looks like Hector has deleted his Mastodon account, so I can't look back what he said exactly.

Oh, I still have the relevant tab open. It's about code quality: https://news.ycombinator.com/item?id=43043312