I think DD played for him ;-) b/c that is her outlook on soccer: an opportunity to run rough-shod over anyone in her way.
That said ... at 6 and 7 years old the big thing is that ALL the kids want a piece of the ball, so you basically have two color-coded clumps of kids milling around.
He probably needs to work with older kids
We have a president now that grew up with the "touchy feely" "everybody is a winner!" life, and he is a bully that doesn't like people talking bad about him. It hurts his feelings.
Let the kids have some competition. I think this coach is a bit over the edge, but I think he is more trying to prove a point. I like it and would let my girls play on his team. I would be his assistant any season.