(Repost since other was private)
Then there are the other side of people (like me) who are okay sacrificing missing out on some of these good thumbs for the more consistent feel (since seeing more saturated custom thumbs next to the more boring screenshots makes them really stand out)
Right now we don't have a good solution for the first group yet, but it's someone we've been thinking about how to solve, but haven't found a good solution yet, other than each person using the channel allowlist.
We do have two major opinions about thumbnails it seems.
There's some people that still want to see the thumbnails that are designed by the creators for artistic or communicative purposes, even if slightly more eye catching, while eliminating the ones that are misleading or designs that are more forced due to designing for the algorithm.
continued....
Firefox Beta can now install any addon (no custom collection workaround needed, just visit AMO)
The plan is December for rollout on stable