hes not walling, hes learned that you can shoot through the wall and hes anticipating the T's going into the church and he is spraying in the same spot hoping to get a kill. he got lucky with creamy, he never has his crosshair on anyone, and there were people going into the church. if he was walling he would have noticed the guy at 22200 go into the church, go out to the left, and turned to shoot him. but he didnt

and that kill on monocle, you can hear his footsteps

just lucky