"Steal everything. Divide people based on religion. Convincing people that their culture is useless." We did all this, but don't blame us if you are underdeveloped.
An example: Let us say, one of the Ambanis has twin sons. One of them is left on the road for himself to find his path. The other one is given a ready made business. Who do you expect to be doing better financially after fifty years? Why do we forget that our past decides our future. How much you can move forward, in spite of all the effort you may put, is decided by how much baggage you have. The past cannot be de-linked from the present. The present depends on the past.