The lack of transparency / illegality bothers me more
The potential loss of privacy is bad. This should be guaranteed by 4th amendment rights. What bothers me even more, is how this happens without any law passed. It's a bypass of democracy, to violate our rights, with no accountability. W Bush approved it, and Obama did not fix it. There are a few senators who tried to do something, but not enough people are on our side.
It doesn't matter if the intent is good now. It's only a matter of time before this illegal power is used to control the political process as well.