Are we really using the politics forum to gauge the whole sites opinions? There's obvious flaws with that.
Bottom of page 1 in Gaming is 3 hours old. Bottom of page 1 in Politics is 2 and half days old. It's a subset of the community and what do you think happens when the other big gaming sites make conservatives feel unwelcome. They post all their stuff here. And even then the political compass survey showed a clear left lean. Maybe it's time for another poll.
I expect a lot of people don't go in there. I rarely do. For all I care the politics forum could be three people talking about Trump cosplays.