Earlier quoted context omitted.
Of course it has an impact, I just don't think it's a net positive one.
Why not? Without FB, I wouldn't be able to connect as much with all the people I've met in multiple places around the world. All people that I care about. I've also met a ton of new people that I otherwise wouldn't have met (e.g. from groups). I connect with the CS community at my school through FB. I connect with people in my class through FB. A lot of discussion happens on FB that I'd otherwise miss or not have the…
I used to use FB a lot, especially in college, but aside from being great for organizing parties, I've found that I like the old ways a lot better. For actually communicating and having conversations with people, IM and email are actually more robust/effective/universal, and aren't engineered and A/B tested to hell to suck up attention as effectively as possible.