We really don't have to advocate or evangelize for it much considering the fact that it's completely used on the dark net for drug purchases. Love them or hate them. Criminals are the first ones to adapt. New better technology. And then everybody else follows on after that. That video is a lot of guesswork and most of it is completely solvable either today or in the very near future. The idea that they can trace Monero depends on compromised nodes which is fixed by running your own node or using somebody you trust as a node provider trading with a centralized exchange which is easily solved by not trading with a centralized exchange, and ring signature weaknesses that are well-known and in the process of being fixed.