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
Simple solution to anything and everything you do from this point...Tell us first. You seem to still have problems with communication just tell us it is that simple and never ever force a test on creators if it effects their content. Some creators pay artist to make thumbnails.