His undying hatred for 35HR Gold Glove winning corner infielders who hit the market before age 30, no doubt.
Machado probably isn't a pleasant person. But I'm not planning on hanging out with him. And if I can survive Rodney Harrison, Randy Moss, Corey Dillon, Chris Nilan and numerous other former villains on my teams, I think I can handle Machado.
It's funny how changing laundry can make a guy more palatable to the fanbase...