It is just not that. If you meet a Keralite and begin talking to him and then another Keralite comes from behind you, both of them will begin conversing with each other and you will pushed aside. Also, just like another national in the Middle East, they will not allow a non-keralite person survive in companies where they are in majority and have a hold. But when they need to sell their products, they are the sweetest people on earth!