If I'm looking at a client, I can say, 'Oh, wow, this is where you're weak; this is what you need to work on.' I can correct her in a matter of seconds, and then she's practicing specifically on the thing she needs to work on instead of repeating the same mistakes. Having that feedback is essential for beginners.
The thing is 3,900 out of 4,000 college basketball players are very happy to have a scholarship. They're happy. They've got a $70,000 scholarship and they've got money in their pocket. It's the other hundred guys and they're all going to make money playing basketball and the top guys are going to make a lot of money.