"Minor" cooling changes, for a radically different operating environment that does not even have a temperature, is a perfect insulator for conduction and convection, and will actively heat things up via incoming radiation? "Minor" ? Citation very much lacking.
Then you picked the wrong thread to insert yourself, it's literally about that.
Which is funny, there are multiple other replies to you, explaining at length that while your ideas are physically possible, they are completely impractical. And yet you think they still could be "minor".