We are running a small experiment where 0.3% of viewers will see an auto-generated thumbnail, instead of your custom thumbnail. We are not removing the ability to create your custom thumbnail, but we hope to gain insights on auto-generated thumbnails for the future.
How about you fix your algorithm first so it stops demonetizing LGBTQ+ videos and stop running GOP homophobic attack ads before those very same LGBTQ+ videos. How about you do that instead of wasting time on this crap.