The USA has a cultural bias built in. We as a nation cannot imagine that “those illiterate savages” could build something technologically superior.
So Iran has a working missile defense- maybe the same as or better than ours. We sneer and say no way could those illiterate...
Remember Sputnik, Laika, Gagarin. Be prepared for a technological surprise.
Being “technologically superior” and wealthy can blind us to opportunities. Being poor and behind technologically forces one to seek new, different opportunities.
The Persians aren't stupid. The regime that rules them is. Do you think that snap together model jet they rolled out last year (complete with decals and cassette player!) was an elaborate ruse to fool the decadent westerners?
Maybe the technology was “donated” via drone?