In the middle ages, thinkers and scientists were sentenced to death. It was then followed by a period of slavery and slave trade, when innocent people in millions were captivated and separated from their families and loved ones, to be taken to Europe and America under worse conditions
Now, everyone can agree that he should get points for pointing out that there was some hard core, violent opposition to science from the Church that most Westerners prefer to forget about. But did you know that, overall, it is reasonable to say that the Arabs brought almost exactly as many slaves away from Africa's east coast as the Europeans and Americans brought away from Africa's west? Now, Ahmadinejad isn't Arab, but he is blatantly covering up for them here.