It's not clear to me why you would argue with a label. Who gives a crap whether "conservatism" is this or that? Ideas and policies can be debated, and motives can be explored. But labels? We don't need no stinkin' badges.
If you have a problem with sociobiology, make the case. Ditto social Darwinism. Why muck it up with name-calling and invite the No True Scotsman defense?