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.
The currency is the virtual currency according to the equation is calculated out, and the result is only more than 2000, so the total number of COINS are fixed.