What’s going to happen to Apple if they don’t deliver on vehicles in 2025?

I would see many promise posts that Apple has been working on towards having vehicles by the year 2025.

If they don’t happen to actually make it on their promises or we happen to see that their vehicles aren’t very liked upon by the many, is it likely their stocks would tank a decent amount?

I’m really curious because the phone industry is still a successful one in which they’re in but with how much advancements have been coming to technology, I feel less people are going to be purchasing new phones every year.