[WorldMaker]

Right, it remains as much a social problem as a technical problem. If you worry your friends (or worse, you) might be prone to min/max more in asynchronous/delayed multiplayer situations, find social ways to encourage avoiding it.

(That's very much something that will be unique to your group dynamics, but little things like asking people to time how much they actively work on turn, or encouraging them to only do their turns during lunch breaks and from their mobile phone, can work for different sorts of people.)