It's built into the agreed upon protocol. Votes in the future may change this, but that would compromise the value proposition. I don't think we can say that

It's built into the agreed upon protocol. Votes in the future may change this, but that would compromise the value proposition. I don't think we can say that until over a hundred years from now in 2140-2150 when the last block is mined and people scramble for alternate ways.