if you don't make teams pay, then obviously they have a right to lay off... when they play small, he gets more room by default because the opposing team's big wants to protect the basket, so they can only play but so tight (allowing him to cut, use his ball handling gifts, and make jumpers, when on).... he's most effective when playing 5 because of this... to his credit, he doesn't becomes a detriment on the defensive end, which is pretty amazing for someone who is shorter than Ben Wallace, and not the athlete that Wallace was..
Green is a strong, skilled, savvy throwback, with limitations due to his height, and athleticism... I don't go by the narrative given to him by the news outlets (he's great! etc...) , I go by what I see on the court... the kid can ball, but he's not a great player by any means...
Where we differ, I think he would be an asset to any team in todays game... which is much different then the 80's, 90's, or even 2K's... where he would be solid because of his ability to stretch the floor, handle, and pass, but would be overwhelmed by the depth of great post players that existed...
Today's bigs are mostly pick and roll bigs...
Also, I don't see him disappear much... if the shot isn't falling, he rebounds, passes, or defends...
but of course all players have off nights (except curry