There will be new services that will offer to mix your coins and remove the taint.
It's not possible to mix coins to remove taint. You can spread the taint around, or add different sources of taint (they're both kind of the same thing really)
Mixers don't remove taint, they just give it to someone else. If you send coins to a mixer, you could get tainted coins in return.
I know. Carlton Banks has already said that
https://bitcointalk.org/index.php?topic=5078073.msg48403911#msg48403911 We are lucky that most people are against the idea of tainted coins. I don't see it ever becoming something big like most exchanges and merchants agreeing to support taint.