As a sidenote, can they get Redmon's name correct? In [1] and [2] they call him Redmond, and in [3] they call him PJ Reddie, which is his username and not his real name. It's not even that hard to be correct here...
[1] https://blog.roboflow.ai/pp-yolo-beats-yolov4-object-detecti...
[2] https://blog.roboflow.ai/a-thorough-breakdown-of-yolov4/