I'm not so sure about that, I've seen plenty of hate from both sides.
Covid was a great example, anyone who disagreed with the main narrative or even just wanted bodily choice was blasted by many liberals, including the president, with all kinds of hateful speech.
Since 2016 many liberals also have used hateful speech to describe anyone willing to vote for Trump. I personally didn't like either candidate the political machine offered us, but in many of my discussions with anyone liberal Trump voters were often held as something like a second class citizen, that's pretty damn hateful in my book to consider anyone "lesser than."
Of course your comment is being downvoted. Hackernews is an echo-chamber of Trump haters. I'm only here for the cope today.