No, I'm saying the typical dev doesn't have any interest in learning anything new beyond what they already know, and some hot new thing in Rust isn't going to c

No, I'm saying the typical dev doesn't have any interest in learning anything new beyond what they already know, and some hot new thing in Rust isn't going to change that. The level of mental effort needed to learn Rust is greater than the typical dev is willing to expend on anything.