Shameful yes, but most of these venom seem to come from one state and not the other.
Furthermore, it seems that cable operators in Karnataka has blacked out Tamil channels. How childish and how anti-national. I remember once they wanted to black out all bollywood movies from Karnataka. Come on, Karnataka is not an isolated state, its part of the Union and there should be no blacking out of anything.
Being a North Indian, it saddens me to see South Indians fight like this