> I don't need concurrency or multithreading Famous last words. Ever needed a timeout? Cancelation? Respond to Ctrl+C (SIGINT)? Your UI has an event handler? C

> I don't need concurrency or multithreading Famous last words. Ever needed a timeout? Cancelation? Respond to Ctrl+C (SIGINT)? Your UI has an event handler? Client server architectures? All of those things need concurrency, somewhere. That said, you could argue that I’m being nitpicky. A combination of the OS and language runtime (eg JavaScript) can keep you mostly isolated from the complexity explosion of parallelism and concurrency. But it’s still there.