Criminals will always find ways of utilizing anything that stands as money and exchanges for goods and serves to their advantage. It doesn't even have to be Bitcoin. It can be anything. Anyone criminalizing Bitcoin because of that doesn't truly understand how money works. Criminals also use fiat. Has that blacklisted fiat? Of course, not.

This is very important. That's why we should also adhere to warnings on P2P concerning not dealing with Third Party accounts. We should ensure that merchant's name marches with their registered name on the site. Don't accept any excuse on that. Most of them who do that are insidious and waiting for the right time to strike.