I'll agree with you to this degree. I beleive as Crypto becomes more and more used as payment it's level of money making in terms or holding will be come less and less as it stables out.
And the green backlash on energy use is just starting, they are all scrambling to say they are 100% green energy only.
New forms of crypto are under tremendous pressure to use less energy.
The credit card companies are watching like a hawk to see which crypto tech evolves into something it acquires or copies into the next generation of credit cards.