People underestimate the node compatibility that Deno offers. I think the compat env variable will do a lot of adoption. Maybe a denon command or something could enable it automatically? Idk.
I've written C for years. The only time it is safe from crashes is when the code doesn't churn and has consistent timing between threads. bun has constant feature churn and new hardware it runs on all the time providing novel timings. It is very unlikely going to be crash free any time soon.