Before "Muthu", thalaivar's movie, there was thenmavin kombathu. Shot around a farm house, everything looked scaled down from Muthu. When the story travelled to Madras for Thalaivar, it was shot in a Palace. Atleast the story was still set in a village. The same story if it had dared to travel north west to Mumbai would have been set in London and shot in Buckingham Palace.
That's all I am saying.
And also the fact that in a way this reflects these three film industries.