Very Funny video hahaha Have me laughing over here for the fact that I was just thinking to get my hands on some Monero lol I may just invest a little here in there. I liked the analogy that you used :)
However, there is an article tht speaks of the government not wanting to spend too much time on these illegal drugs and what not transactions - https://www.cryptocoinsnews.com/us-govt-backed-research-develops-bitcoin-de-anonymization-tool/ But like you say, "what if"!
Bonus Article :
https://www.cryptocoinsnews.com/untraceable-cryptocurrency-monero-is-booming/