From where did you get these facts? Arivalayam? Ramasamy Naicken Library?
Brahmins, in all the ages, have never been rich and extravagant... the majority are middle class (currently many are below poverty also)...
You speak as if you have witnessed the events that happenned 3500 years ago!!!
Even the birth of Jesus and his death are in contention and yet you speak with authority???!!!
The Aryan-Dravidian theory is not an accepted fact... it is one among the theories... the politicians have used it to fool people... Judging by you post, seems that they have been highly effective...