why are brains on our heads and not on our backs

Humans are evolutionary flawed. Brains should be on our backs, not just our heads. Cut half a brain at birth, it regrows back during the course of it’s lifetime. It’s been used to cure epilepsy in infants, the surgery is called corpus calloscotomy. Why do we not cut half the brain at birth, put it in a shell, attach it to our backs using growth hormones to reconnect the lost fibers back to the spine from the centerpiece of the spinal cord, cut the spinal cord top and bottom to release the bone marrow to activate the stem cells residing inside the bone marrow? The result…