The Middle-East's bad record on human rights can be traced back to in large part to the meddling of the US, because it serves the interests of Israel and because of oil. In the time of Nasser, the Middle-East was a different place.
Sources please. The war initiated by US and Israel motivated Iran put pressure on the US by closing the strait and attacking the regional US allies.
Graciously, "if the US was there or not" is a reference to the US navy being near/in the straight of hormuz.