It comes from people who don't get the fundamental concept of the blockchain containing every transaction ever made or the relatively trivial effort required to correlate a transaction back to an individual. I think the various law enforcement agencies are quite happy that this misperception persists!How does one launder money with bitcoin? I keep seeing this. Cash is more anonymous than bitcoin and it still needs to be laundered the old fashion way. How would bitcoin be any different?
With all the infrastructure they already have, what epic complication would there be.
For crypto fans, here is a documentary about the roaming 90s as a cautionary tale, including Jim Cramer with long curly hair: