> Even at pro level, players can be overwhelmed by the amount of information they have to process in tenths of a second, over and over again, for 15-25 minutes,

> Even at pro level, players can be overwhelmed by the amount of information they have to process in tenths of a second, over and over again, for 15-25 minutes, or they can get into a spot where there's too much to do and not enough time to do it. Consequently, limiting he AI's APM only adds a meta-game around APM planning that a human still would have a hard time to maintain.