I also say with backbends, you have to be cautiously bold. Not carelessly bold. You have to descend to the dictation of the spine. You cannot command from the brain to do the poses. As you play with a child, guarding the child from injuries, similarly you have to play in backbends, guarding your spine.

The commercialism may wash off sometime later.

I think overall the majority of people who are practicing it as a subject are following the right line. For the aberration, don't blame yoga or the whole community of yogis

It is not yoga that injures, but the way one does yoga that leads to injury.

You must do the asana with your soul. How can you do an asana with your soul? We can only do it with the organ of the body that is closest to the soul - the heart. So a virtuous asana is done from the heart and not from the head. Then you are not just doing it, but you are in it. Many people try to think their way into an asana, but you must instead feel your way into it through love and devotion

Yoga cultivates the ways of maintaining a balanced attitude in day-to-day life and endows skill in the performance of one's actions.

The decision to relax rather than to grip, even in the face of impatience or fear, is a conscious and brave choice.