Every language once it grows beyond a certain point will it have its share of cooks. 1% of people are psychopaths. So in 10,000 people you have hundred psychos.
GP is right. In a memey, stereotype, sort of way. But, Rust community generally holds people evangelizing Rust by RIIR (rewrite it in Rust) in high disdain.
That said what C/C++ (and other memory unsafe lang) people can't seem to understand is that unlimited Undefined behavior is a trainwreck, and that Rust offers much, much more than just peace of mind regarding memory safety.
And no. Just write better code doesn't work.
It feels surreal. Like imagine you are driving a car with seatbelts and airbags. And everyone is saying. "Well I can just drive better and the belt is annoying. Doesn't allow me to get switch seats while driving. And it won't help if you fall in river, so it's useless. Plus brakes make you go slower"
I decided that explaining and education is a lost cause. Let evolution sort them out.