Braincleaned, I hope someone will read it from the WT$ but from everything I have heard they don't give these letters to the GB. Sometimes writing your feelings out like you did can really help get the anger out. I wrote a letter too but never sent it, I may send it some day but for now it is still on my IPad. I did feel a little better once I got my angry feelings on paper.
I also hope you can teach your children critical thinking so they can use their own mind to research the WT$ and I also hope you can make sure they get a college education. The odds are on your side with 3/4 of the youth leaving the WT$ so your children have a real chance of staying out.
Villagegirl gave you some excellent points to make your letter have more impact.