That being said, Mongo is down with what Contador did today. Schleck attacked, missed a shift, and dropped his chain. If he had fallen, been interfered with, or gotten off his bike immediately, I would tend to support the "tradition" of not attacking the Yellow Jersey under these circumstances. The fact is that he was still moving forward on the bike trying to re-engage the chain when Contador went past him.
Yes...Lance waited for Jan, and Jan waited for Lance, but those were completely different circumstances. Oh, by the way, I don't remember Lance waiting for Joseba Beloki.