Earlier quoted context omitted.
It's a curious question for the value proposition of blockchain denominated currencies. There is a real possibility that in the future, all stolen assets will eventually be recovered and returned to their owners. There needn't be any limit to recovery given a universal, traceable, and non-fungible transaction log. Pretty soon payment processors/recipients would start maintaining blacklists of stolen coins which they…
Also interesting: since the total number of Bitcoins is fixed, as more and more coins are used for crime and get blacklisted, the value of remaining coins will become inflated. Given a long enough timeline, there will be too few coins for the currency to remain useful. (Though to be fair, people simply losing the private keys to their wallet also has the same effect. Not sure which phenomenon would, over time, result…
Just as a point of reference, the current median tx price in USD is ~$12, next block confirmations currently cost in excess of 100+ satoshis/byte and the median tx size is ~250 bytes.