"...almost anything should be an improvement."

You must be young. I'm pretty old, and experience has taught me that things can always get worse. Indeed, without extreme measures, things going badly are very hard to keep from going worse. EIP and the SPS funding mechanism aren't radical changes to stake weighting manipulations. All they do is increase the profitability of manipulating rewards mechanism via substantial stake to extract rewards before that value can raise the price of Steem and create capital gains.