Those arguments could be levelled against any currency. Typically uptake is only 100% because the government has a "thou shalt accept this" policy. If it was practically voluntary then a bunch of businesses would operate on a barter system or private scrip. Even with the insistence of the tax office it takes regular crackdowns to stop alternatives springing up.
And it is even easy to argue that normal currency is value destructive, all the flows of money into crypto are implicit "I'd rather be burning energy than using USD" announcements.
And it is even easy to argue that normal currency is value destructive, all the flows of money into crypto are implicit "I'd rather be burning energy than using USD" announcements.