Well, we dont. And if they are, that's data connections. Maybe the dentist is connected to some one scary, a client. Now "you" are connected to some one scary. That's a terror network...
And how will they be treated? It seems: poorly.
FWIW, I'm not even from or in the US of A, but I'm worried about my government doing something exactly like that considering how much it's cooperated with the NSA directly in the past and present.