The concept of God is a shaky subject. Add to it the yoga-inspired faith in the God within us all, and you have a huge mess on your hands. Calling yoga non-religious isn't just about altering yoga to make a buck. It is to avoid starting a war.
Modern day yoga in America is an interesting phenomenon. In the traditional sense, what most of us do on the yoga mat is not yoga. Although the health benefits are greater than anything else we've ever tried, many still do not consider it yoga.