Rust devs are so obsessed with writing things in Rust that Rust was re-written in Rust.
Self-hosting a language used to be standard practice. These days that's become a bit more controversial, but I definitely wouldn't lump that in as a sign of obsession.
Self-hosting a language used to be standard practice. These days that's become a bit more controversial, but I definitely wouldn't lump that in as a sign of obsession.