I don't visit a single website that tries to serve me political content dynamically - no Facebook, no Twitter. Except YouTube, but I don't watch anything political there, and the algorithm seems to know it. I don't read the "MSM" news outlets, as they're called. But I observe the same trend the parent describes - in forums, in apparently objective news stories, in the previous US president, and in real life. I'm not saying this as a political cudgel. This personality "flaw" is common across the world and is just one of many on all sides, and it's not a surprise that people with any given personality commonality will bias to one side in any given two-party system, and in the US, this one appears to bias toward the Republican party. It's hard to talk about objectively and not invoke anger, which is reasonable. It is worrying, but there's rarely a time in polite conversation when it is relevant enough to bother pointing out. Content moderation is one of those times, I think. There's plenty of unfair moderation out there, but a lot of what people call a bias against the right in the US seems to usually just be a bias in the tendency of what they say to break seemingly reasonable content/behavior rules.