My guess is that in Ukraine the Russian EW systems are deployed tens of kilometers back from the line of contact to protect them from artillery strikes and fiber optic drones. These Russian EW systems are likely used to protect command posts and logistics bases but not the line of contact.
But because Iran is not yet an active war zone the Iranians can deploy those systems close to the cities.
Also, Starlink terminals can be located via their RF emissions. So using a Starlink terminal in Iran seems to come with a high risk that security forces can locate and arrest you.
> Also, Starlink terminals can be located via their RF emissions.
Starlink terminals use highly-directional antennas that point at the sky (see. beamforming) and therefore they don't leak much in terms of RF emissions. So unless you can afford to maintain a host of overhead drones on permanent rotation and wide-area coverage, it would be very hard to actually locate anybody. Not that it's impossible, but largely intractable at scale. We use Starlink a lot in Ukraine, and even though the russians have platforms with sophisticated signal processing capabilities (think Xilinx RFSoC) perfectly capable of locating emissions from most communication equipment, they are still unable to locate Starlink terminals. And this is along the frontline, mind you. To cover all of Iran would surely be prohibitive.