"Attention-seeking shut-ins with nothing better to do than pretend they’re sociopaths", meaning plz
What's the meaning of the above phrase in the following context:
"This idea has two merits. One is that people who are held accountable for what they do and say are less likely to do and say repulsive things. (There are exceptions, of course, but they tend to be professional comedians or radio talk show hosts.) The second one, more crucially for Facebook, is that it no longer has to take the heat for attention-seeking shut-ins with nothing better to do than pretend they’re sociopaths."