They really don't.
They only make it "more complicated" if you have absolutely no clue and thought typing "make it so" in a chat window is all you need.
Every single failure here is precipitated by user stupidity. No management of terraforms tate. No verification of backup/restore procedure. No impact-gating for prod changes. No IAM roles. Reconfiguring prod while restoring a backup.
None of that rests on AI. All of that rests on clueless people thinking AI makes them smart.