I’m sure every foreign leader in the world would much rather deal with a corrupt, broken down old dope like Joe Biden.
“Iran has only one reason to drag the U.S. into another military conflict”
It could also be a desperate attempt to get the US to ease up the sanctions, or to distract their population (or justify harsh wartime restrictions on the population, and be able to blame America and Israel, as usual).
In May sanctions were imposed to outlaw all Iranian oil exports - which funds the majority of their Government.
The wheels are coming off. They have to make something change quick. They tried to impede tanker traffic, but were ineffective. This is a big escalation, and a major cause for war.
They might want a war, just to rally/control the domestic population, but they desperately need some kind of a change.