OK, sorry, I realize I am now going down the road of just being a PITA stringing this thing out. But I also admit to being a bit defensive when it is implied that a parent had to step in to tell the coach what the right playing decisions are...
..even more doesn't sound right.
You painted the picture that he was an outstanding and recognized pitcher coming out of 8th grade. He told HC he pitches, the team had otherwise lousy pitching and HC still didn't give him a shot to pitch ??? Has to be more to that story.
He put up lights-out numbers at high level PG tourneys playing up as a 17u but you didn't think he was good enough to ask for a look for the previous travel team that had 7 PO's ??? So, if he improved that much in this short period of time, maybe the HS coach was correct in his perception that he wasn't quite ready for that level at that time. ???
I had three different parents try to tell me this year I should be pitching their sons with my V team (which is three more than I've ever had). Of course, those parents were among the very few that missed the parent meeting when the ground rules were spelled out.
With one, I acknowledged that he has raw talent but was nowhere near ready to step on a V mound and that he had other issues to address off the field. From that point through summer ball, the kid proved me a thousand times right. The parents still feel cheated. They seriously told me It's my fault that he couldn't manage to attend half of my mandatory workouts (actually that I must have been mistaking their son for another when I had him marked as absent), failed to remain grade-eligible and got in trouble outside of school. I have stuck with efforts to try to help the kid. We finally got him on the mound in summer ball. He flashed the raw talent but was totally oblivious with some of his baseball decisions. I'm not giving up on him, regardless of that "parent talk" where they told me I sent him into a spiral putting him on JV instead of V as a soph. This, even though five other coaches were 100% in agreement on the assessment.
With another, he also had raw talent but had a history of a very high BB ratio. I told him he would need to improve that aspect before we could put him on a V mound. In spite of the fact that he didn't really improve in that area, we reached a point where I offered for him to come up so we can work with his mechanics more closely. After one game of sitting on the V bench, parent was pissed because he didn't play in the game. He wanted to go back to JV (mostly because he had mom in his ear telling him how his talent was being wasted on the bench). Great kid... fighting an uphill battle with some of the things the parent is putting in his head. I'm still not giving up on that one either.
Another parent told me if I forced his kid on the mound, I would be pleasantly surprised at how he would perform. I had already talked to the kid. He had been bugging me to throw bullpens but I could tell it was halfhearted. I asked him if he wanted to work bullpens and try to earn a few innings. First he said yeah he wanted to pitch. When I dug a little deeper, he was quick to tell me he didn't like the pressure of being on a mound in a game and only wanted to pitch in bullpens. Varsity baseball. Yeah, that'll work. Dad was a college tennis player. When he threw this "advice" to me about his son, I asked if his college coach ever had to force him to play singles. The kid is a good OF. As it is, one of the other coaches wants the kid off the team because he is sort of a black sheep and has a hard time acting respectfully. I like the kid, recognize lack of guidance and continue to try and help him work through it.
Just a few true stories that illustrate some of the things that go on behind those ignorant coaching decisions, sitting or not promoting kids with talent. I'm sure a few more "little talks" from the parents will help me right the ship, though.