The US and its allies have attacked the currency and the availability of goods for the common Iranian. This is how regime change works. This is what is happening in Cuba as well. You starve and disenfranchise the average person to make regime change by internal bad-actors more successful.
Therefore many citizens protest against their conditions, not against their government. The misconstruing of this reality is intentional and an essential part of war mongering.
We understand this and we are smarter than the BBC thinks we are. Now ask yourself why must young Americans in the armed forces put their lives on the line for this?