I confess, I don't use things like that simply because I've tried to erase myself from as many social media outlets as possible -- however, not everyone is as electronically misanthropic as I am, and I quite like the idea of linking all over the place. I'm not sure what icons you mean, though (this may be because I've just got no idea what I'm looking at on the internet most of the time...)
That's actually a "keep them" vote, if you couldn't tell...
That's actually a "keep them" vote, if you couldn't tell...
It could be worse