To prevent wide usage of mass produced cheats, called trainers. In the flash game ecosystem you relied on distribution to make money off a game. You wanted mul

To prevent wide usage of mass produced cheats, called trainers. In the flash game ecosystem you relied on distribution to make money off a game. You wanted multiple portals to buy rights to the game. If it can be beaten quickly you make less money. So it's worth closing the door on the lowest rung of mass market cheaters.