Could you please stop breaking the site guidelines? Your account has been posting flamebait lately, and here you crossed into personal attack. Not cool. You can make your substantive points without any of that.
When someone else is wrong (or you feel they are), two options that work are to continue to respectfully provide correct information, or to stop replying. Getting into denunciation, spats, etc. is not a good option.
The numbers are easy to run, and the added power consumption is no joke. It’s even worse if your heat pump fails to achieve Carnot efficiency. Never mind that heat pumps can be heavy and may be completely destroyed by even a tiny micrometeoroid strike.
Yes, it needs more solar power. But solar panels should be much lighter than radiators, potentially vastly lighter. Even if Carnot efficiency is not approached there is plenty of room for improvement in the size of the radiators.