I think the "Fil-C is safer than Rust" thing is an understandable reaction to 10 years of Rust evangelists telling people they have to use Rust otherwise they're stupid and wrong.
It’s tiresome when other language communities start engaging in a battle with a vocal minority of another community.
Every language has its annoying maximalist pushers. The play is to ignore them and do what decisions are best for the language, not to let yourself get dragged down into petty language wars where nobody wins.
Combined with the ability to compile to a single native binary, having a solid package management solution, a fairly advanced type system, and a solid selection of nice language features. Usually you need to give up at least one of those.
Good to see a praise for C#.