Honest answer: all other things being equal, an app maintained by someone who knows what they built and cares enough to put the time into maintaining it will be better than the exact same app built by someone who has no idea what they built and has invested no time into learning what makes it good

Anyone can vibe code. I’m doing it right now as well. The difference then is who is doing it and why are they doing it. That is what will lead to different outcomes.