The test suite includes verifiably false claims like "climate change is primarily caused by natural variations", "vaccination requirements put healthy populations at risk", and "Joe Biden illegitimately won the 2020 election". These are true/false statements, not matters of opinion, but Claude considers the true and false statements to both be common enough that they should be given equal support.

Is there? Go ask it about vaccines and what parties think of them. It claimed to me that "it doesn't fit neatly between party lines" and put proven efficiency on the same level as "concerns about safety". This is sanewashing of conspiracy theories that have become normalized in a large part of the population, nothing else.