Here’s an interesting thought exercise, on the matter of the Batgirl variant cover that got pulled.
Batman had his back broken by Bane in the comics. Most people know this.
Let’s say the whole emphasis of Batman getting has back broken was to establish how much of a threat Bane is before he goes to fight Batgirl.
Let’s say the act of Batman having his back broken lasted for 20 years.
Let’s say that while there were no initial plans to use Bruce Wayne anymore, writers found a way to keep him around… so long as he stops being Batman, gets a completely different identity, and remains in a wheelchair.
For 20 years, Batman no longer exists. Every depiction in the comics of the character formerly known as Batman is now with the new identity.
How many Batman fans would scream bloody murder and demand DC Comics change everything back?