Apologize if I over-stated its diversity. California might have been a better comparison, but I do not think it is completely misleading and incorrect.
Put the Koppen map of California next to Iran for comparison… Maybe if you limit it to just Southern California you can get close to the same proportion of arid/desert. But I think that pretty much matches the common conception of Iran.
Virtually the entire country is arid / steppe except for a few tiny strips, where the (beautiful) videos you shared were taken.
Contrasted with the United States which does have a lot of arid space (30%?) but is dominated by temperate climates. Not even including Alaska. Your claim that Iran is comparable to the United States in that respect is just totally wild lol