Yeah, it's not something I could do, but you really have to respect that they're getting into the spirit of the original tournaments.
I don't trust my own armor not to hurt me, and I don't have enough well-fitted and well-padded stuff to do this without getting badly injured. Not to mention I can't do something where I have a high chance of losing the use of my hands, and wouldn't be able to do my job.
Something that I find interesting is that despite all the body-checks, groin and back kicks, and all of that, there's little to be seen in the way of parries and deflection. They put a lot of emphasis on body-slams.