Why it's taken so long for anyone to notice that the sensory function is both real and useful - and give it genuine consideration when exploring human evolution is as much a mystery to me as them questions of how our 'hairlessness' evolved.
Well, perhaps it's because actual evolutionary biologists understand the Theory of Evolution where you don't. Perhaps it's because they know that a "vestige" need not be "functionless". Just like people have been pointing out since the very start of this thread.
Mutate and Survive