I think people think that Gaza, Lebanon, Iraq and Iran, Yemen are all separate spaces, so when the USA or Israel launch attacks there it looks chaotic. It’s not separate though, these are all part of the same conflict with Iran as the backer. Also Syria under assad.
The point is if the IRCG falls you will eventually see stabilisation in the region. Funding cut off to Hamas, Hezbollah, houthis, militias in Iraq should actually see a reduction in violence in the long term
You are already starting to see the effects in Lebanon. Hezbollah fired at Israel because they are stupid, Israel responded and the Lebanese prime minister has told them they need to hand over their weapons and to sit down and shut up. There are pro-hezb accounts on twitter bemoaning Hezbollah’s behaviour. They have already been clearing weapons out of the Palestinian camps in Lebanon. They have the chance to be a normal country soon hopefully.
Cutting off China from Iranian oil will make everyone safer frankly and hopefully Ukrainians will stop being bombed with shaheed drones at some point.
Also Iranians are not Iraqis, there isn’t the same tribal sentiments, they aren’t arabs. It’s an entirely different country. Yes there are multiple ethnicities and no doubt some will agitate for independence movements.
Fundamentally in my view if you believe that Palestinians should have a state that is run for their own benefit and freedom to behave as a normal country (which I do, even if they keep kicking themselves in the ass) then you should wish that for Iranians too.
People who oppose this action either don’t understand whats going on, have a third worldist view so can’t identify the IRCG as imperialists or oppressors (which astounds me), are so anti war that they would have let numerous peoples around the world be massacred so they could feel smug or do understand and feel sad at the idea that a bunch of terror groups are about to get their funding massively diminished.