In any efficient market, profits approach zero. I don't see the relevance of saying "well, actually, there is some profit". That profit is the mechanism that dr

In any efficient market, profits approach zero. I don't see the relevance of saying "well, actually, there is some profit". That profit is the mechanism that drives the mining cost to match the value of the currency, isn't it? Please explain more about what you think I am missing, because it sounds like you are just referencing the mechanism that causes the problem.