Same answer as to why you don't configure your text editor to just not emit useless and outdated CR from past century - he has better things to do. And no, really, check out Zig repo's issue tab, he really has better things to do with his time on a project that's still evolving.
You're demanding 1.0+ usability from a language that's has yet to stand up on its own feet and is currently, unsurprisingly, 0.6.0 and won't be 1.0 any time soon because there's a massive amount of work that needs to be done.
This also isn't C and it wasn't developed/maintained for past 50 years.
The only thing that's lacking is your understanding of semver.
Zig is currently 0.6.0, you see that first number? This alone is a clear indication that nothing is truly stable and anything can disappear at any time for any reason.
You're demanding 1.0+ usability from a language that's has yet to stand up on its own feet and is currently, unsurprisingly, 0.6.0 and won't be 1.0 any time soon because there's a massive amount of work that needs to be done.
This also isn't C and it wasn't developed/maintained for past 50 years.