This is a cool question. Two things: the first is that I stopped using the colins_pride account and subsequently started using the riffer account, so the co-c

This is a cool question. Two things: the first is that I stopped using the colins_pride account and subsequently started using the riffer account, so the co-commenting commonality is not particularly high. The terminology score is substantially closer. The other thing is that because the dataset is tilted towards the recent, the colins_pride user is only lightly represented.