It's pretty sad, and actually a lot of former fighters from that gym have recently come out and spoke out against Duke Roufus and Scott Cushman (the cornerman in the video).

This type of shit is relevant for all fight sports, including boxing, because there needs to be a lot of changes taking place in the gym culture of fight sports. All those old war stories about guys battling for their lives in the gym everyday sound great, but they're not conducive to longevity and a good quality of life after boxing.