However, how many of our current dolphins, orcas and whales would still sit on their stakes if Steem jumped to $10 in an instant? - Personally, I think that most people would sell immediately...

Gotta disagree here. Buy low, sell high is not my motive. My motivation is buy when it’s cheap in the hopes of having an income stream once the price rises. With Bitcoin and most other cryptos, the only way to make money is the buy/sell spread. But with Steem Power, you can have a long-term income stream. Personally, I have no plans to power down ever.