I always thought it was because Iran hates Israel and has openly stated their goal to destroy and dissolve it. That paired with efforts to develop nuclear weapons = sanctions. It's probably more nuanced than that, but that was my basic understanding.
Re:Gitlab Blocked Iranians’ Access
by boomboomsubban on Sunday October 25, 2020 @10:57AM
(#24886739)
>On 1 May 2018 the IAEA reiterated its 2015 report, saying it had found no credible evidence of nuclear weapons activity in Iran after 2009
But the sanctions against Iran are mainly based on old grudges. Pretty much nobody even knows why they exist beyond “they’re bad.”