At the same time, cryptocurrencies still haven't provided a killer app that shuts everyone up. So, IMO that's the only real thing that matters. Either you build something with it that's useful - or it isn't useful.
I understand that it's difficult because of all the infrastructure required (much of which still doesn't exist), but that's where all efforts should be. Create a consumer service that people want.
Otherwise, if the idea is that it's simply a trade-off of the speed/efficiency for otherwise mundane services in order to make them decentralized, then stop hyping it and let it become a parallel structure - or underground system that some people use.