Killerduki both proving and disproving Preach Gaming at once

Watch from the beginning to see Preacher's overall theory about tanks in Vanilla and then pay close attention to the sequence at the 3:13 mark of the video 
https://www.youtube.com/watch?v=xPLXCfcNDHQ&t

https://www.youtube.com/watch?v=xPLXCfcNDHQ&t