If not enough new money will flow in, then value will be taken from the existing coins to feed the abomination that called is bitcoin mining
That's one of the reasons why there can't ever be any stability with bitcoin.
I've often wondered what would happen if bitcoin dropped so low that it quickly became unprofitable to mine. Would all the miners just pack up and cut their losses?
It has already dropped this low to those who run older ASICs. I think that most miners are accumulating coins and hoping for a better future, while covering losses with their own money. But speculators also know this and they know that miners can't hold on forever. And the longer they have to accumulate their coins, the bigger the avalanche will be.