Those things aren't mutually exclusive. I've worked with plenty amazing people who enjoy their job at which they write fabulous code and then go home at regular

Those things aren't mutually exclusive. I've worked with plenty amazing people who enjoy their job at which they write fabulous code and then go home at regular hours and spend many hours on their personal projects or just playing around with new, interesting technology. Unless you own part of the company you work for that's probably the smarter thing to do. What I find concerning are people who write mediocre code 9 to 5 but don't do anything to improve their skills on their own time.