To save everyone else the effort:

What makes it nonsense?

C is definitely still king, but I wonder if crABI will eventually be able to dethrone it:

https://github.com/rust-lang/rust/issues/111423

If they can define a useful ABI that manages to include lifetimes, that might just be enough of an improvement to get people to switch over from assuming the C ABI everywhere.

The cool kids are forcing people to read this at gunpoint nowadays