xav10 brings up a perspective that we may be over looking. While, it is my belief that a parent should communicate with a coach, there are exceptions. Parents of the welfare players, the "top-flight" players that don't pay because the other kid's parents pay for it, or the fully funded academy kids or maybe even the kids in college on scholarship, maybe should "sit down and shut up". After all, you really have nothing invested anyway.
But here is the thing...have a child who was/is a very good player. We created a plan based on what the child wanted and executed. Made the mistake with this child of always being completely upfront with the coach(s). Heavily tracked and recruited by coaches from other clubs which was always complete B.S. sales jobs. Stayed with the club that worked within players plan even though there were many run ins with the club/coach (not traveling to east coast, etc. but was upfront about it from the beginning - before signing). When things like this did occur, coaches would always denigrate my player for not helping the team. They always talked behind players back but sucked up to players face. Over the years, I felt bad and angry as others players would be let go for the same reasons just because they were not at the same level. Player ended up getting an academic scholarship to a very prestigious school. Didn't seek athletic scholarship, nor are they offered by this institution. After coach/club heard the news, the club had the arrogance to put players name and picture on website implying that they had something to do with player's achievement. Ironically, they were an impediment along the way and they wanted to take credit for player's success after the fact. Had to send a letter to club demanding that they remove name and picture from website. Player has graduated and now started law school.
I will not dismiss the positives that team (especially competitive) sports provides to any child looking to get ahead in life but I also realize that success has more to do with the player and the parents than any coach/club unless you are only interested in going Pro. In other words, I am not sure what would have happened or where we would be today if we just "sit down and shut up". In fact, with all my player's coaches, I am the first one to stand and ask questions.
Lastly, I think that is pretty common knowledge that the best way to break the cycle of welfare is for an intervention. Try standing up for your child's interests, it might make you feel better and help break the cycle.