This is true, but the hacks are mostly in the C and C++ recipes as I understand it. Something like Rust or especially Go or Zig is far easier to cross compile.

I personally found cross compiling Rust easy, as long as you don't have C dependencies. If you have C dependencies it becomes way harder.

This suggests that spending time to upstream cross compilation fixes would be worth it for everyone, and probably even in the C world, 20% of the packages need 80% of the effort.