I'm very skeptical of crypto but I'd say buying drugs online is probably better done with crypto than with fiat. It's probably the only actual use case that isn't speculation, and it probably dwarfs any legimate use as a day to day currency.

But even then, all the new cryptos are usually totally useless for peer to peer, private transactions since they merely piggy back off the ETH/Binance/etc chain. They often don't even support p2p transactions at all, and are now openly designed just to be hodled or dumped through exchanges

Monero is pretty old by now, but it's still the goldstandard when it comes to security/privacy/opsec, and darknet markets are slowly starting to phase out even BTC (which is a total opsec disaster considering how traceable it is) in favor of Monero.