I'm going to hold off on voting for now, as I have a question that needs clarification first: SPS rentals are usually canceled manually by the SPS owners after 7 days and then the renter needs to re-rent again. So I'm not sure how that 1% weekly efficiency decay is supposed to work, as rentals don't last beyond a week to begin with? Unless you're just talking about OTC deals not done through the official renting mechanism, in which case I don't think this proposal will have much of an effect.
If you can resolve the above question to my satisfaction, then you'll get my vote.
Dear Crypto, thanks for your question. Based on the proposal, the idea is to have a GLOBAL decay not connected to when the SPS are rented or delegated. 80% initially, then 1% tapering. It will not affect individual rent or delegation, but all of them.