We should be trying to figure out ways to wreck and destroy it. Yes, it's horrible. Not only does it waste people's time, it spreads horrible crap everywhere.
It is like an ongoing Nazi mob that never sleeps.
Such is the price of freedom of communication and a popular package to do it on (for having your eyes sold to advertisers, you get all this networking, free free free). Instead of complaining about garbage on Facebook, why not pack it full of gospel?
Facebook is now being cited as at least a contributing factor in 3 out of 4 divorces these days.