> no way to code for a multi-billion dollar company ...because people coding for multi-billion dollar companies usually need to deal with concurrency if not ou

> no way to code for a multi-billion dollar company ...because people coding for multi-billion dollar companies usually need to deal with concurrency if not outright parallelism. So people working at such companies don't code like first-year CS students (avoiding the sexist term) under an outdated curriculum. The real way to fail in that kind of environment is to keep giving advice suited only to a now-purely-pedagogical model of computation as a single sequential stream.