At the same time this crime shows the weakness of crypto: with an ever appreciating linked asset with no ability to truly "gap" transfers, you can always trace where the money goes, even with a mixer (you just then need to track many more targets, but eventually the money re-concentrate somewhere you can see), transfering just once with someone who knows your name instantly gives you traceback ability to all the transaction (can't fund a wallet without tracing back to the first ever source of fund on chain), and the fact it appreciate is the greatest enemy of money laundering: where a Mexican kingpin would understand that there's value in losing 40% of their money rather than have it stashed in USD bills in a warehouse, crypto is tempting to keep, this guy couldn't realistically forfeit a large majority of the fund by for instance randomly giving it to 5000 honest wallets with 1 being his for instance.
It's great for us non criminals, but it's one more utility of crypto going down the drain. What is it good for, if not even crime.