Further, miners could stop mining, because it is no longer profitable. In turn, total hashing power will decrease significantly. This might trigger a psychological reaction that draws Bitcoin's growth into question. As a result, buying demand for new coins decreases.
Do you think that many buyers pay attention to that statistic? I doubt the vast majority have the slightest clue. And the hashrate gave up relating to reality a long time ago. They will pay attention if the difficulty adjustment screws with how things operate of course.