Hey, i dont look u as from west or east,'all reside on the globe.
Ur points are fine as its ur minds projection.
Don'wory about the ancient wisdom of bharat getting degenerated. Simply because they have been well preserved in univ's abroad.
If Indians dont want it, there are others who can do re-research on Ayurveda, Cymatics and similar.Its a vast field, Ultimately world will be helped. And that will dawn upon degenerated hindus or whoever.
Take for example yoga industry, though ventured out by Vivek, Paramahansa Yogananda, Maharishi and more recently B K Iyengar, Pattabi Jois and Ravishankar, it has entered to the places unventurable like Saudi nations or even Crotia or Kenya. And today we have bevy of Western teachers in Yoga and Spirituality who have combined the Pragmatics of west & Philosophy of east with ease. Today this industry is worth 200b USD!
When it comes to conversions, why worry, there are many who are embracing hindu/east non casteist ideals in the west. Am sure it will be balanced. Infact the most recent news i heard was that even Mother Teresa Found'n is going in for YOGA which once was a taboo for the
