It sounds like you're opposed to the gamification; care to explain why? I'm curious.
All kudos to those that can spare the time for, make their livelihood on, or have their company allow them to release, open source software.
I want to be like you, but unfortunately cannot.
This is untrue, though. The concept of building a portfolio exists across all creative domains, and almost everyone builds that portfolio initially by doing the work for its own sake.