Because that seems to be a bit much for the 26th man on the roster.
I get it, McKenna isn't a great player and no one should get it twisted that I think he is. I just happen to think that the difference between him and Hays isn't a wide gap at this point in time.
But my goodness, the way some of you hate on McKenna, it's almost personal or something. It's really weird to be so angsty towards a player who doesn't get much playing time and probably won't be on the team that much longer.