There's an issue of the "Dark Ones" Will that players cannot enforce or interpret (except for some egos). Trollocs that flip items to LS are technically thwarting the Will of the DO, but it is not a measurable/provable event unless you're actually hiding in the room while a Trolloc hides then a human finds. The only condoned interaction would be between remorts and humans, which obviously isn't the case.
All opinion and interpretation, so don't blast me for stating such.