Not all crypto attacks the same problem; they should not be all lumped together.
Bitcoin's transation rate and energy use are a big deal.
But Bitcoin does solve the problem of the central bank itself creating too much money, which has been an issue in the past and is generally recognized to be a big temptation on the part of governments in general.
I'm not saying it's going to replace any major currency, just that there is a goal Bitcoin is meeting not mentioned above.
Bitcoin's transation rate and energy use are a big deal.
But Bitcoin does solve the problem of the central bank itself creating too much money, which has been an issue in the past and is generally recognized to be a big temptation on the part of governments in general.
I'm not saying it's going to replace any major currency, just that there is a goal Bitcoin is meeting not mentioned above.