3-if there would have been millions of people murdered then there would have been tons of human remains buried somewhere and it would be way too much to hide for very long. No tons of human remains were ever found. And if they would have been cremated then there would have been tons of ashes and no ashes were ever found. There would be even humans buried underground but nothing was ever found. Everyting is pased on theories from previous generations but no real facts, let's move on