You can argue philosophically that on some level everyone has a point of view and neutrality is a mirage, but that doesn't mean you can't differentiate between an LLM with a neutral tone that minimizes biased presentation, and an LLM that very clearly sticks to the party line of a specific contemporary ideology.

Back in the day, don't know if it's still the case, the Christian Science Monitor was used as the go-to example of an unbiased news source. Using that point of reference, it's easy to tell the difference between a "Christian Science Monitor" LLM and a Jacobin/Breitbart/Slate LLM. And I know which I'd prefer