As soon as AI is embodied, via Boston Dynamics or Tesla or any of a number of other players, it will take a big bite out of the skilled trades as well.
Locomotion is not navigation, as you can see from the persistent failures of the self driving cars.
I don't know if you've ever organized a group of people... If you want everyone to be together and ready to go by 8:00am, you will have to tell them to be ready by 6:00am. Else you will be late waiting for someone. The consistently wrong estimates you point to are exactly that. Else they wouldn't be consistent.
Again, where you see failure, I see effective management practice. Why do you think that is?