We all know that Patanjali has provided eight components of the yoga. However, information as well as understanding of the 8th Stage which is Samadhi, is very less and the world is stuck in the 4th Stage which is Pranayam.
The entire focus right now to gain physical well being as well as sharpening mind by following Yoga. Idea was going beyond mind and gain, explore the consciousness which unlimited.
People are more interested in the commentaries and words, not to the explore what is beyond words.