But do you think this is our first rodeo with "XYZ has fundamentally shifted things and startups now start up faster"? RoR did the same, Bootstrap as well, and countless of other things.

Don't get me wrong, I leverage these AI tools as well to be more productive, I'm not against using it or anything else. But I'm also old enough to know that eventually AI will be "old news" when the next hot topic comes around.