No, let's actually have a standard with some thoughtful design instead of just bunging a bunch of ancient POSIXisms along into another platform. Also, as far as I can tell, it's being pushed exclusively by Wasmer which looks to be a bit shady as a company.

Wasmer attempted to do this in the Ziglang repo barely 4 days ago:

https://github.com/ziglang/zig/issues/17115

wasm is enough to do fancy things in the browser, games for example, with Rust or Zig. WASIX is not necessary for this.