Not that there is much life in this thread but....

Here is an insightful article about a karate class, with thoughts on value, from a lay parents perspective:

(taken from the article)
Its a complete rip-off, I told Sasha when she was pleading with me to let her take the test.

Oh come on, Dad. Well look like idiots if we dont have our red-and-white belts.

On the contrary, the red-and-white belt is a sign that youre an idiot for being suckered into this ridiculous Ponzi scheme.