Are you sure that a separate nation state is the result of the ruling class. I think that it is from a portion of the Kurdish population. For instance in America there are agendas to create a separate nation state for African Americans, they want this nation state to exist inside of a nation state (America. The agenda is not due to the ruling class and not from the from the entire population of African Americans. But there is a portion of those African Americans who want this for themselves and have started governing bodies to assist with the process which can take decades or centuries. This are similar situations that offer insight into the outcomes of both situations and peoples.