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
I agree the new youtube studio isnt that bad. It's either most people don't really understand how to use it or they just like the other one since it's more simpler to use. But then again idk.