you should open your eyes when you watch the game or take off the rose colored glasses.
Although he is a mauler in the run game, his surprising speed and agility for a 380 lb person is inadequate to handle the speed rushers of the NFL. When challenged to the outside, he usually loses - whether due to his lack of quickness or his constant injuries.
And as you say, he is also lacking in the mental aspect of the game.
For the line as a whole, this is probably the single biggest deficiency- too many players without the smarts to pick up complex blocking schemes.
Fat Mike consistently gets beat by anyone with speed to the outside. F