Not only because the AI part, here's a discussion [0] about it

[0] https://ziggit.dev/t/bun-s-zig-fork-got-4x-faster-compilatio...

In the context of this post, that's absolutely hilarious they're vibe-porting their Zig codebase to Rust.

I love Rust, but you couldn't pick a language with slower compile times... XD