> Senior developers were also more likely to say they invest time fixing AI-generated code.

That quote is the key - even if 1/3 of senior devs are pushing mostly AI-driven code, they are checking it first. And while the survey did not cover it, I suspect they are using their experience to decide which areas of a codebase are commonplace enough that AI can handle it vs. which areas are unique and require coding without AI.

People are learning when to use AI as a helpful tool and when not to.