Lots of difference in opinions on this one if I were to guess. To me, it seems like there are more mature deer killed later in November than early. I do not personally feel these deer will fall for these tactics in blind calling as quickly as young deer. I could be totally wrong. In areas of low hunter density, it may be very effective. In high hunter density areas, I would imagine the bucks have been called to heavily and be a little shy of calling. I would still bring my grunt tube, can call, and antlers with me in the event I see a deer which is moving away from me. I would attempt to turn him.