> ...anyone who isn't an ice-cold sociopath? Your job is often a big part of your identity, particularly in the games biz which is so passion driven.

I'd argue this is unhealthy and a recipe for disaster. But different things work for different folks.

> Leaving behind a project you grew, kickass tech you had a hand in, and friends you made is a major life trauma, even if you're doing it voluntarily to chase something new.

There's kickass people at most good companies. The idea you can't make work friends & work on cool stuff unless at your current job in your current role seems limiting.