OpenAI, Google and Facebook have their own AI video creation tools under development, so you should keep your eyes peeled.
At work I've used Aurora 3D to make idents fot internal project, and it was easy to recreate the BBC mirror globe idents from the 70s-85 with it as well. It has a lot of samples as well for people to try out: https://www.presentation-3d.com/downloads.html
RE: TV Idents