What's all the hullaballoo about?! LinkedIn does the same thing: you can see who viewed your profile if you enable your own views of other profiles to be seen by their owners.
Or do we only get riled up when the perp is a small startup that still holds the promise of cracking the holy grail of sustainability without charging a usage fee? ...Damn sell-outs, it's like all they care about is finding a way to make money.