> Rust, as a very complex and opinionated language, is not an easy choice to accept for C developers. If the push continues, maybe we will see the existing maintainers leaving?

What are you talking about? I'm yet to work at a business where developers aren't proficient in 2 or more programming languages. Why do you presume that experts in the field would be blocked by a limitation that does not apply to the vast majority of professional software developers?