If Bitcoin is going to be limited always to 21m coins that will be nowhere near enough to go round to everyone in the world. Which would mean there will be a few faceless whales at the top controlling everything. Even worse than the banking system now. And everything a big secret. It's all gone wrong somewhere and I've lost my faith in Bitcoin.
Remember that though bitcoin is limited to 21 million coins, there is no limit to the number of alts created, and some alts have unlimited coins.
Bitcoin's market share is only 37% of all cryptocurrency.
And that is because although bitcoin is scarce, cryptocurrency isn't