Unless the heated bed is UL listed, I wouldn’t trust a live high voltage heater in my house. And I might not touch it unless the printer is unplugged.
They already undersized the wires to save money. Not a great start to gaining trust for a high voltage device.
It’s not isolationist, it’s pro-Putinist. Apparently a couple senators either forgot who Iran is working for, or maybe the campaign checks didn’t clear?