Thanks for looking at this. Even the first option has possibilities, just needs discussion and refinement.
On the large SP votes, more of the vote could also go straight SP instead SBD, again forcing more thought, less short term incentive and more investment into the platform.
Large SP voters would not likely vote on crap since, they 1) have to share the rewards with many others, and 2) the more investment into the platform, the more concern there is with quality
I'm going to read your trash control link tomorrow when I'm awake.