Maybe it is because a) it's in the water b) we are a bunch of socialists c) we are trained from when we are young that money is ugly Actually, There is a lo

Maybe it is because a) it's in the water b) we are a bunch of socialists c) we are trained from when we are young that money is ugly Actually, There is a lot of open source coming out of the US as well. But there are a lot more possibilities in the US to get good funding for software projects and there is a strong culture of "making it" in the US, which probably influences things towards more proprietary.