thousands of bodybuilders who have had great experiences with it. also, read about the products. You know that 10% of their sales go into research to develop new products.
I will not deny however that they are overpriced. But for those who have a lot of money, they buy whatever they wont, because money is no object. Not everyone has money. However, despite this, people still fork out the money for it. They still see the value. Some are just bad spenders, but others see value in the products.