may be ur saying is correct to some extend. Tamil movies are 60% commerical and 40% artistic Mallu movie 40%commercial and 60 % artistic.
See, everyone has different opinions and just because of that don't underestimate tamilmovies. There are so many talented film makers coming out and for sure you have to change your views in the near future which has already began... Say for example, Paruthiveeran, Mozhi, Chennai-600 028 are true and not a copy of anyfilms. Time has come make sure u will see a lot in coming months. Movies to watch for Subramaniapuram, Poi Solla porum, netru indru naalai, moscowin kaveri.....etc.,