Hard to say what the root of the problem of is. It may be that these players just weren't coached properly in the minors to prepare them for the big leagues, or maybe they're just *******s. But I think it's mostly that Martinez just doesn't yet have what it takes to be a major league coach. It's a tough job, dealing with douchey young players and trying to get them to respect you, but it doesn't sound he like he has the patience for it, and needs more experience as a coach.