Surely, yes, but the whole social metasystem does a lot of damage to the planet for the benefit of the few, so why scapegoat one part of the system?
The rare events where their use doesn't involve crime are overwhelmed by the criminal uses.
Plenty of other things are wasteful by design, like military for example. The more military things we build, the stronger we'll be. Same with BTC hashrate, the more power the stronger the network.