I see you've taken yourself to consuming Western propaganda---"how amazing Iran use to be before that darned revolution." What you're showing was the lives of only the top 1% of Iranians---most of the common people weren't so lucky as to live such luxurious lives under the tyrannical and oppressive Shah. Pre-1979 Iran looked much more like this:
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Nice try trying to pin this one on the boogeyman Arabs: this was a battle between the cruel secular government of Iran and the working-class Iranian people. The Arabs had absolutely no part in this and I think you're fully aware of that as well. Sending a "congratulatory message" is not the same as actively taking part in the Revolution.
Poverty and the freedom to choose what to wear are not correlated so the 1% stat is pointless to my point. Saudis and Arabs dislike each other strongly, why would they not influence the Iranians to take such a destructive path? The Saudis also promote an extreme version of their belief and have had a long-standing rivalry with the Iranis.