Is it just game stat collecting and not sending subliminal advertising to you after you pass out on the couch from a night of gaming?
...I'm done.
It all sounds very paranoid and conspiracy theory-esque to me. I'll grant you that SOME conspiracy theories have valid points, but I think this one is a bit of a stretch. As for the HR and stuff that could be possible- it could certainly be useful for 'work out' style games and such, but what way are you worried about that information being used?