"I'm basically a very lasy person who likes to get credit for things other people actually do." Lazy like a fox.

Linus was keeping hos hackers/users constantly stimulated and rewarded - stimulated by the prospect of having an ego-satisfying piece of the action, rewarded by the site of constant (even daily) improvement in their work.
---Eric Raymond "The Cathedral and the Bazaar"

The same applies to wikipedia.
8. Given a large enough beta-tester an co-developer base, almost every problem will be characterized quickly and the fix obvious to someone.

averaged opinion of a mass of equally expert (or equally ignorant) observers is quite a bit more reliable a predictor than the opinion of a single randomly chosen observer. --Delphi effect