Speculation: 1. Heavy, relative weight difference is negligible. 2. Has power 3. Easy to open up and work with 4. Plenty of extra space inside 5. Travels into

Speculation: 1. Heavy, relative weight difference is negligible. 2. Has power 3. Easy to open up and work with 4. Plenty of extra space inside 5. Travels into a diverse selection of households 6. (most important) the person has a day job in an iron factory. I also like the theory this is just a PR stunt for someone like a local iron retailer, or it was a local mod done to the irons after they arrived in Russia.