Sharing answers to top q's we’re seeing about the thumbnail experiment: – Custom thumbs aren't going away – 99.7% still see the creator's custom thumbnail – A lot of creators use auto-generated thumbnails, this test helps improve them for those using them: https://goo.gl/A7oDmr
1. Warn people about this experiment 2. give options to opt out of this experiment 3. Don't mess with thumbnails, they are not broken 4. if you want to focus on a problamatic bot, try fixing the content id or the demonitization bot