the concept of taint is all or none. either coins are spendable or they're not. for a UTXO that has 25% taint, is it spendable or not, bro?
WTF are you talking about? If you want to send me a transaction consisting of 100% validated UTXO's, I'll except them at 100% face value. If you want to throw in a fraction which are unvalidated I'll discount them accordingly. If/when unvalidated UTXO's cannot be mined or take a long time I'll stop accepting them altogether or accept an accourdingly deeper discount. This is utterly trivial. Coinbase will do it automatically which is why I'll just accept payment from you through them.
you still haven't answered my question about how the US gvt could get away with the hypocrisy of auctioning off the SR coins while at the same time tainting others drug coins. that is more of a political question and i already know your answer.
Not hypocritical at all. You bought some coins at the auction? Register and validate them. No big deal.
I anticipate that as things are rolled out probably every single UTXO will be considered clean by default. Nobody is stopping you from validating any of them so you've got no complaints...unless you are a criminal or whatever and don't want to register...