The key is his worsening dementia.

As it gets worse they will begin to infantilize and forgive him.

Get ready for posts such as "We may have disagreed greatly, but no one deserves to have their mind taken away." getting gilded on reddit.

Trump will be placated and given the greatest treatment available and will somehow live into his 90s, despite his rotted mind, and will probably have some sort of playhouse where he can pretend he is doing a business like they did with his father.