Questioning the whole slave trade story seems reasonable. Certainly the numbers are not verifiable.
Did the Transatlantic African Slave Trade really exist or is it another American myth? When taught about slavery in school, I often had questions the teacher couldn’t answer. I would ask, how did the slaves live stacked on top of one another at the bottom of the ship for months without drowning in their own feces and urine? Where are the ships and why aren’t any of them inside of a museum?