Absolutely! It is not rare for me to get to the allow screen, notice that the app is basically requesting full access to my account which it clearly doesn't nee

Absolutely! It is not rare for me to get to the allow screen, notice that the app is basically requesting full access to my account which it clearly doesn't need, and leave. As the worms spreading through e-mail show, social filtering may not be sufficient to identify rogue apps in time.