We could use a basic threshold requirement before populating, such as 5% support in the last 1000 blocks. If we combined this with ignoring the first group of blocks after seeing a motion for the first time, this could become a pretty stringent requirement.
Topics pertaining to concepts like this:
On pinning voting threads
Easy way to see current motions
I’m sure there’s got to be more, but I’m having a hard time finding them. I feel like someone probably already brought this up, but if so it may not have been on the forum.