Sure there is, you said it yourself. You can make all those changes because it's easy, the lock-in effect is waning. We can move around and take better deals and choices.
This is actually a scary side of AI for providers: we use our own AI to research better choices and escape dark UI patterns and vendor lock-in. That information asymmetry and the difficulty of leaving a provider used to be their moat.
On a system level I think AI code is more like biological diversity, it hedges against monoculture risks. We don't all fall down at the same time if we don't replicate the same code.