It depends on the problem. There are problems that are higly parallelizable and problems that are not. There are problems where expertise is paramount and problems where it is not. What you said is true but what I said is also true, if you stretch enough the definition of "fairly unreliable" :)

i assure you it was intended to be a constructive combined effort. i only skimmed the article linked but it doesn't seem to reference the fact that the kid who was falsely identified was found dead, presumably by his own hand. "hell is full of good meanings, but heaven is full of good works", as they say.

on a lighter note, if you consider an open source project "crowdsourced" then i posit the current collaborative academic efforts to decode the manuscript are "crowdsourced" as well.