In my experience, only entry-level programmers are inefficient enough that using AI would double their productivity. At the senior level or above, AI is at bes

In my experience, only entry-level programmers are inefficient enough that using AI would double their productivity. At the senior level or above, AI is at best a wash in terms of productivity, because at higher levels you spend more of your time engineering (i.e., thinking up the proper way to code something robust/efficient) than coding.