This works fine from the perspective of the admin, but think from the perspective of a business owner hiring admins. What happens when you have employee turnove

This works fine from the perspective of the admin, but think from the perspective of a business owner hiring admins. What happens when you have employee turnover? You don't want all of the knowledge needed to deploy your critical IT infrastructure stored in one guy's head or personal notebook. Maybe your admins were all disciplined enough to make sure they never made a single change without documenting it and kept extremely detailed, easy to use runbooks, but maybe they didn't. You don't want to get Dennis Nedry'd.