Aren't you assuming a bit much here? They
have implemented CI/CD; their Claude script triggers the git branch part of the release flow, which is what in turn triggers the CI/CD pipeline—a completely normal thing to do, even in established teams (save for the Claude part).
The guy automated the toil away using AI. Not that I would feel confident automating away that part in particular, but it does neither speak badly of the code quality, nor his job qualifications.