Ransomware payments, speculative trading, now paying off oil pirates!

Cryptocurrency has had many legal real world uses cases. It is used heavily in prediction markets. Serving as an inflation-resistant store of value that is orthogonal to gold also is an implicit real world use case. Permissionless and easy international transfer of funds between individuals has been the biggest real world use. It's not only for collecting and trading. Obviously, those wanting to suppress it will keep finding excuses.

Should just pay in pure cocaine, cut out the crypto middlemen.