Is Crowd-sourced Journalism Making You Dumber?

'Tis the reason why I stopped using any sort of aggregator (Slashdot, reddit, Digg, etc.) for any news. The average intelligence and professionalism demonstrated on such sites is so low that I'd rather be staring at a wall than reading those sites.

This happens so infrequently that I can't recall a single instance of it. Any particular examples?

Of course I agree that quality of thought comes first, but it is usually accompanied by good presentation.