All those things were already illegal (worse yet, immoral) whether you pay for them in fiat or in Bitcoin. That's a false equivalence.
Tell me when is the last time a drug dealer used a wire transfer with reason "for the cocain"? Oh they don't do that. I wonder why.
And there are benefits to being able to stop governments from controlling people. I would say the benefits of this far outweigh giving the state an even greater power advantage over non-state actors that may be acting maliciously.
So for me, yes, decentralization please.