I wonder if the tumblr design helps that along? Instead of a sense of continuity, you just have posts that get reblogged a bunch, and the worse stuff gets buried and easily lost.

I mean, people also can be contributing to it for sure. <_< But if all you know about a person is through other people's reblogs of it, it's pretty possible to only know their "greatest hits" and not realize what else they're posting. --Sneak