That's certainly a possibility! There's also a slightly different reality, people continue to mine while it's still profitable. While there are certain places

That's certainly a possibility! There's also a slightly different reality, people continue to mine while it's still profitable. While there are certain places in the world where the cost of electricity currently makes mining unprofitable, this is not true w.r.t the majority. Sure, people who are afraid of the rollercoaster might sell, but the big fish will gladly eat them up, and at a sizeable markdown. In all honesty, it's hard to imagine that people would stray away from making passive income while still feasible.