[alangibson]

It seems straightforward to you because you're ignoring everything that makes this not work.

Here's a big one: you can't put radiators in shadow because the coolant would freeze. ISS has system dedicated to making sure the radiators get just enough sunlight at any given time.

[DoctorOetker]

since you make the same argument in 2 places, I will refer you to my response in the other place you made the same argument:

https://news.ycombinator.com/item?id=46867514