Some people may not trust vibecoded projects with their entire filesystem if they don't know how much human review the code has underwent. Worst-case scenario could be a catastrophe.

Says who?

I do not think people actually think it’s not stealing in all honesty. I’m pretty sure it’s something like “but we cannot do differently” and we kind of collectively “decided” to stop talking about it.

It’s still plainly wrong, and a theft.