Originally Posted by 87shorts
you have to bet pre flop in all the hands the inactive player is in and it auto folds his hands. when he gets down low enough to be all-in its a coin flip but in order to make sure you stay alive whenever its just you and an inactive player just min raise and they snap fold.
I play at ACR.
This is one explanation, but there is also another.
If you are sitting out and then all of a sudden want to sit in and play a hand this can happen. For example, I'm sitting out and see I'm in the BB with a hand, I can sit back in right before action gets to me and call/raise/ect... Several different times it still showed me as "inactive" through the hand until it updates. Then I just sit back out.
I don't think there is anything sinister going on there.