In the past, Bluesky has been accused of being a liberal echo chamber due to it's growth during an exodus from X. Here are articles arguing that the 2026 US midterm elections demonstrated Bluesky more accurately represented voters, and X was actually the echo chamber.
2026 US Midterms Shows X Was the Echo Chamber (by thepaperpilot) — Semble

Republicans Learn X Is the Echo Chamber
One thing I hope people take away from the evidence that bluesky actually was a high-information community and X was actually a fascist…