The bulk update request #15046 is pending approval.
remove implication human_tower -> stacking
create implication human_tower -> stack
Stacking should refer to the action of making a stack, while stack should be already made. Examples of proper stacking usage:
However, there's a lot of overlap between stacking -stack and -stacking stack currently. I suggest making the distinction clearer. We can start by changing human tower to imply stack instead, since they rarely depict the action.