The point is as long as the data is there it can be abused. A law saying that it cannot be accessed except in terrorism related cases is effectively meaningless because it could still be accessed illegally in secret, or the law could change in the future.
Don't confuse your own failings with introversion. Many people are happier sitting inside all night. It sounds like you're either an unpopular extrovert, or you've been so conditioned by what society expects us to be that you feel shame for doing what you want to be doing. Either way address your own issues as opposed to bashing others for some perceived notion of faking happiness.