In a few weeks, 1% of creators already using YouTube Studio will no longer see the ‘back to Classic’ button – you’ll be notified 1st & can still access Classic features you need! This won’t apply to everyone else until early next year. More info → https://yt.be/help/a7mG
Until you make navigation easier and make everything much more user friendly Classic will still be better. Fix everything first before forcing people to switch.

Always trying to improve and make the world a slightly better place.