Pain is only shown in the control group with zero management.
Behavioral tests were animals exclusively, with no pain management.
The fact that there are people online upset about their dicks doesn’t necessarily relate to circumcision and could be multiple factors like mate rejection, erectile disfunction, sense of lack of control in the rest of their lives.
The reasons go on and on for what could make a person blame something they perceive as outside themselves for the bad in their lives. Ex: “My dick doesn’t work not because of work stress and substance abuse! It must be because I was circumcised!”
After the 4th bit of bad science in a row, I stopped reading their article because it was only going down hill from there as more conclusions got based on the initial studies. The author also called into question the validity of the study done in Africa, but this is rebutted by the CDC last year in their open letter regarding criticism of their stance.