It's not racist in the least. If Sanskrit is the ancestor of Latin and Greek, then there should be Sanskrit a superstratum in Latin and Greek. However, there i

It's not racist in the least. If Sanskrit is the ancestor of Latin and Greek, then there should be Sanskrit a superstratum in Latin and Greek. However, there isn't. But there are common elements in all three languages that could only have come from an ancestor language. What you're doing is ad homimen: discounting the theory based on personal attributes of the person who came up with it. Can the theory stand on its own regardless of the personal motivations of the person who came up with it? Then the theory is solid.