Misguided delusional contributors spamming is a differant issue. Since IS didnt have the guts to throw the book at them, early stage, well there you go. Some 25% of IS shouldnt be penalized because IS dont sort out the keywording properly BEFORE images get accepted.
Believe me Ive been with the Getty-RM since 1990 and their general customer is very, very differant from the IS punter. Sure IS also get some creative clients but bottom line is: shots off the peg, make no mistake about that and its absoloutely nothing wrong with that.