Sri Lankan Tamil's critic on "Tamil Nationalism" and Thamarai, Seeman, Vaiko, etc

In Tamil Nadu, it's common for politician like Vaiko and activists like Nedumaran, Seeman, Thamarai, etc to support LTTE and Tamil Nationalism. But, the critic I read long time ago, by a Sri Lankan Tamil is an eye opener at least for me பியசேன: கபடத் தமிழ்த்தேசியத்திற்கு கடிக்க நல்ல அவல்!