Did we read the same Anthropic and Andrew Kelly's posts? Anthropic is not in the programming language market; their post about rewriting Bun in Rust is full of technical details that led to improving the end product for their users. Zig's response is a sour opinion piece full of personal attacks.
For context, I'm using Codex and have no interest in either Zig or Rust, so just observing this drama from the sidelines.