UI defaults are powerful. For 15 years, YT has been providing an old-school "TV-like" experience, with 16:9 video, 10 minute-plus "episodes". That model is dea

UI defaults are powerful. For 15 years, YT has been providing an old-school "TV-like" experience, with 16:9 video, 10 minute-plus "episodes". That model is dead, especially with how YT does ads, which annoy users. They want to move mobile users to the TikTok model ASAP, which allows them to throw in many more ads in a natural way compared to what they currently have.