Yes, that's kind of the whole point - from the government or law enforcement perspective, having a class of "tainted" coins would not be a problem but the inten

Yes, that's kind of the whole point - from the government or law enforcement perspective, having a class of "tainted" coins would not be a problem but the intended outcome, and if a side-effect of that is a serious disincentive to use tumbling/laundering services (since that would effectively taint/destroy your funds, no matter if they were originally clean), that would be considered as a bonus, not as a flaw.