> "If he's not "legally not in the right," why should I be helping him (doesn't that imply casting a judgement - that PadMapper is elevated above CraigsList because it's "the best apartment rental interface our there")?"

Because legal right and moral right sometimes intersect, but not nearly always.

Because once in a blue moon somebody comes along and creates something with such enormous public good that it forces us to reconsider the context of both legal and moral righteousness.