Anything else?

How to reduce the prominence/visibility of overvalued posts that do almost nothing other than harvesting votes from delegation bots? Without expressing support or opposition to any of these, here are some possibilities that I'm aware of for consideration:

1. Downvote/flag wars;
2. Have bid/delegation bot users standardize on a particular tag and add a configurable default setting to filter that tag from condenser;
3. A small "tax" by downvoting 1-10% from a post's value if it received delegation-bot vote and shows up in a top position on the /trending page;
4. Switch the default "landing page" from /trending to /promoted;
5. Pay enough interest on SBDs in savings so that investors can replace their delegation-bot income with truly passive income from SBD savings;
6. I'm sure there are other possibilities that could be suggested.