Reading this is disappointing for a number of other reasons...
Taint tracking is precisely why we need ZeroCoin or CoinJoin or whatever. Do it now.
[...]
I don't think that the Bitcoin Foundation (as a whole) is going to encourage ZeroCoin nor CoinJoin as they are looking for the approval of the government. Although I believe some members of the Foundation (like gavin and gmaxwell) have good intentions, I'm still very sceptically of the real intentions behind it.