Earlier quoted context omitted.
So currently we are only shipping rock solid code? That would be news to me.
I mean, obviously not, but we are experienced (more important, because we actually understand CS, computers, networking, etc. at least the competent engineers anyway) and knowledgeable enough to have robust testing, monitoring & observability and alerting, and mitigation strategies in place.
And sure, the amount of garbage code that sometimes works, will increase with more people getting into it with the help of AI.
And critical systems will continue to need experts. And every other project that seems important, but does not run anymore, because no one understands the code.