The stated point is to prevent central banks from printing currency / inflation. The claim is that crypto today worth 1% of the world's BTC will be worth just under 1% of the world's BTC in 2300, at least barring e.g. progress in quantum cryptography, a sunspot taking out digital infrastructure, or similar.
That's probably socially harmful, but it is the claim.
That's probably socially harmful, but it is the claim.