There's a much higher probability of your data being compromised by the NSA than by any other surveillance institution. Not sure why you don't understand that, not all surveillance is equally successful.

The very principle is wrong, but if we assume everyone is surveilling us (which is what is being discussed as people make excuses for the US government doing it), then you'd want to be surveilled by the ones who are the least likely to actually hurt you.

It's obvious no one is thinking their own government will never try to break laws just because they're national, but the extent to which they'll do it is far, far less than the US government. For the very practical reasons of political capital, budget, technological and intellectual capabilities.