You don't really increase exchange with other currencies if its low friction to do transactions in BTC as the optimal strategy is to keep your savings in assets

You don't really increase exchange with other currencies if its low friction to do transactions in BTC as the optimal strategy is to keep your savings in assets that increase the most in purchasing power and only move value out at the moment of a purchase and only for the amount of the purchase. Likewise, the seller prefers to receive the highest appreciating asset in exchange if friction is low.