I don't think that should be political, I don't think it should be red-versus-blue. But it is. Should that be banned?
But it is no secret that US conservatives are a lot more pro-fossil fuels and US liberals are less anti-renewables. In that context, who is in power determines who is approving budgets and who is giving subsidiaries and incentives.
To remove the ability to acknowledge the political aspect of things would lead to
"I wish we spent more on wind power." being responded to with "Well, we would if <COMMENT REMOVED DUE TO RULE VIOLATION>"
https://news.ycombinator.com/item?id=13108614
We can clarify, though. The main concern here is pure politics: the conflicts around party, ideology, nation, race, gender, class, and religion that get people hot and turn into flamewars on the internet.