Your employer allows/encourages this? Do you run that stuff in production? Would you mind telling us where you work so we can avoid using their products? It is just not possible to trust the software that emerges from the process you've described.
> utterly stupid
That's completely uncalled for.
EDIT: What exactly do you mean by:
> most likely reviewed.
Let's say every line was actually reviewed. That's still nowhere near good enough. The changes are being reviewed by the wrong people. Not the maintainers of the project, just some random folks who have inherited a vibecoded fork.