Those are both non-issues. They're a startup. Their product is a two-sided marketplace, naturally geographically limited. Any other open source hosting service

Those are both non-issues. They're a startup. Their product is a two-sided marketplace, naturally geographically limited. Any other open source hosting service would do just fine. It may happen that github is the most insular and the one most likely to have a critical mass of programmers in certain skill sets (it seems to massively dominate for Rails folks).