Maybe not today, and vibe coding stuff isn't restricted to nostr.
There's a difference here though. No one is going to visit a Nostr enabled website and die because of poor code functions.
Well, maybe nostr:npub180cvv07tjdrrgpa0j7j7tmnyl2yr6yr7l8j4s3evf6u64th6gkwsyjh6w6.
Discussion
You're right and humans will probably vibe code mission critical systems someday and that code would go through a normal review process just like code is audited today for those systems. Eventually this may change given a long enough timeline.