Tamilnadu has known no "real" [R]enaissance-like development . . . there was no development comparable to the European rinascimento of the fifteenth–… - Kamil Zvelebil

However, until before the bhakti trend set in, before the so-called 'dark ages', in the Tamil classical age, in the age of Murugan, the Tamil man seems to have had a clear, optimistic, rather simple, very secular view of life, in a heroic age of meat-eating and wine-drinking pre-feudal society, with relatively simple but meaningful religious conceptions.

the pitfall of the simplistic view of Indian cultural development, which reduces everything to the tension between autochthonous features (primarily Dravidian) and imported Indo-Aryan traits. ... [the indigenous Tamil framework] was invaded, partly violated and raped, partly adopted and adapted, by the attempts of later commentators to force Tamil ideology into the procrustean mould of the Brahminic-Sanskritic models.

As Wheeler pointed out long ago, Harappan civilization is the most spatially extensive of all the early civilizations we know.