I don't necessarily think they only had higher QA standards back then. Back then you delivered the game on a physical medium, i.e. CD/DVD-ROM and could not expe

I don't necessarily think they only had higher QA standards back then. Back then you delivered the game on a physical medium, i.e. CD/DVD-ROM and could not expect the customer to be 24/7 online. If you did mess up your Golden Master or did not catch game breaking bugs, this could severely damage your revenue during your main sales window.