There are many Yoga teachers with this 200 hour training. In India Yoga is taught very differently, they have more stricter rules( like no food an hour before or after, no yoga when you are on period, they suggest going vegetarian they give lot of importance on breathing etc) , yoga teachers are trained for years and years before they teach yoga to others. My Uncle who is an Ortho doctor, now in his 70s who lives in India have done yoga for years and he credits yoga for his good health. He practices every morning at 5 even now.
I have been to classes here and the teachers (most of them) don't even correct poses and postures , they just let you do it, and most of the teachers are with the 200 Hours training, which now we know through Nimbobs that is a mini vacay class with 4 hours of eating break daily!