Is rust simple aesthetics to you? Why use rust, or any language at all really, at all then? The whole point of formal languages is to point a gun at the people who refuse to be adults.
If we can't have this, C itself offers zero benefit over assembly.
I think it's more in the spirit of playfulness, like in "don't take yourself too seriously". It's why people want to mod Minecraft and Doom for example.
Because it's fun.
I can totally understand why you wouldn't want to do this though - the plethora of incompatible lisp dialects come to mind. That's why I said it was controversial.
If we can't have this, C itself offers zero benefit over assembly.