Agreed, but I doubt governments would be good stewards of open source either. They engage in illegal mass surveillance, cyber warfare, and is constantly trying to undermine encryption.
So yeah, if open source orgs can keep going, there's no reason to think government can't do the same. It's about public goods.
Sure, but in reality they have a legal monopoly on the use of violence, which is a very big deal and makes them qualitatively different from any other collective of people.