Thiruvalluvar - A poet bound religions- Why many try to bound him to one religion?

thiruvalluvar is like an elephant and nobody fully knows what he is Most of those are like blind persons Yaanaiyai paartha kurudarkal enna seivaarkal ? avarkal unarnthathai mattume solkiraarkal adharkkaga yaanai appaditthan irukkum endru yaaravadhu mudivu seivaarkalaa yenna?