Ok. Well there are a lot of other options for performance and no matter what system you're in (python, ruby, rust, jvm, c++) those kind of performance debuggin

Ok. Well there are a lot of other options for performance and no matter what system you're in (python, ruby, rust, jvm, c++) those kind of performance debugging is going to be a slog, and GenServers are relatively easy to work with and the VM gives you a lot of tools to figure it out. Most people at scale seem to be doing okay with elixir. I will say the one thing that I do see coming up over and over again is OOM errors, but I personally feel that's because there are a few gotchas that juniors don't always know about