On the other hand, I have no doubt that it takes a lot of effort to ensure that stack overflow is full of high quality answers. The tendency of any system like

On the other hand, I have no doubt that it takes a lot of effort to ensure that stack overflow is full of high quality answers. The tendency of any system like that is toward entropy. The moderators might be forgiven for being a little too judicious in pruning similar questions and splitting focus where the benefit to the whole is to keep answers focused in one place.