Your body is the child of the soul. you must nourish and train that child.
Savasana is being without was, being without will be. It is being without anyone who is.
There is only one reality, but there are many ways that reality can be interpreted.
Yoga takes us to an unconditioned freedom, because yoga sees even good habits as a form of conditioning or limitation.
Yoga teaches us to cure what need not be endured and endure what cannot be cured.
Not all practitioners can jump to that highest level. They have to climb, step by step from the physical sphere to reach the spiritual sphere. If it is treated as exercise it is not the fault of yoga but of the practitioners.