these drones are made in Russia
Source?And don't tell me it's just because they renamed them.
There are other people who think this.
https://en.m.wikipedia.org/wiki/HESA_Shahed_136
https://www.simpleplanes.com/a/vX4kaC/Shahed-136Geran-2
If you are really interested in this, use the Yandex.com search engine and whatever good translation site you can find.
I'm not seeing anywhere in your links any claim that they were made in Russia.
Looks like a few weeks ago Russia admitted they suck at making drones, while Iran has been putting tons of resources into developing drones for over a decade with very good results: https://eurasiantimes.com/russia-accepts-drones-inferiority-says-most-uavs-dont-meet/
But both sites show you that there are people who link the Shahed-136 to the Geran-2. It's a start.