Various annoyingly incorrect statements of Stoffregen & Bardy arecorrected, for example, that perception researchers commonly use theterm “absolute motion” to denote motion without any frame ofreference, confuse earth-relative and gravity-relative motion, errwith respect to the frame of reference implied by their subject ismotion responses, believe in sense specific motion percepts, and donot investigate sensory interactions at neurophysiological levels.In addition, much of the target article seems to concern metaphysicsrather than empirical science.