I think steem power is great because it is investing in the currency. It discourages people from panic selling, it keeps value in the currency. It also keeps from big company or big buyers from buying tons of steem power, upvoting all their friends, then moving it out to another account. Steem power is literally your power in the system, and I don't think it should be fluidly transferred, gained and removed. Steem dollars are on the other side of the table, where they are liquid, but they do not give you power, or reward you heavily for investing for the long term. I think the simplicity should be derived from: you can start free, earn money, and leave at any time. If that doesn't instill, not BS, I don't know what will. Great ideas though!