You wonder how some of them even get past the proofreaders. I am doing some conversion work of the old campaign for the d20 system. Wizards had made some noises shortly after buying TSR about my doing something with Blackmoor. However, nothing came of it. Just fighting with different characters that had different weapons.
Today there is more online play.
AI is still not up to replacing a referee in cartridges and consoles. But even these are, unfortunately, better that some referees. A referee can make or break any role-playing game experience. A good referee can make a silk purse out of a sow's ear. A bad referee can wreck the best game or module ever printed.