The thread I'm seeing is a top-level comment about C#, a reply that is on-topic and mentions Rust, and also assembly, Python, Hg, "scripting languages", and wasm.
Rust is exactly as relevant here as any of those other items, but people are getting really upset about the Rust mention.
I think in a discussion that already started by comparing different performance characteristics in different languages in a VCS, it's not at all out of line to bring up the fact that another VCS is being rewritten into any particular language. It seems to me that the anti-Rust sentiment is far more disruptive and off-topic here than the mention of Rust in the first place was.
Rust is exactly as relevant here as any of those other items, but people are getting really upset about the Rust mention.
I think in a discussion that already started by comparing different performance characteristics in different languages in a VCS, it's not at all out of line to bring up the fact that another VCS is being rewritten into any particular language. It seems to me that the anti-Rust sentiment is far more disruptive and off-topic here than the mention of Rust in the first place was.