When it gets nasty again, I can always leave like before. And I will.
Everyone can get 'fired up' from time to time, but some folks seem to make it their mission in life to completely alienate people who agree with them on most things. There's currently another thread ("Stupidity is a more dangerous enemy of the good than malice” – Dietrich Bonhoeffer) that highlights the absolute futility of trying to debate certain issues with certain people...