It's unlikely that the Rust and Zig devs are looking at one guy's gamedev focused vlog compared to feedback from tens of thousands of engineers writing tens of thousands of public projects in Rust and Zig.
Have they heard of Jai? Yeah probably. But it's barely a drop in the bucket as far as the PL design community goes.
Oh, yes, the Rust team does "market research" and interviews people to see how they use the language, where the pain points are, etc. They have talks at Rustconf about how they gather information on how the language is used. Never seen them mention Jai.
Have they heard of Jai? Yeah probably. But it's barely a drop in the bucket as far as the PL design community goes.