but we know who they are? how is this relevant

OpenAI & Anthropic are deeply in bed with US govt, and they need US govt approval before model releases, and all US Companies under various acts need to share data with the govt.

I mean sure there are investors and a little more open-ness, but with the example of Mythos we don't even know if public will get access to the "good" stuff because it's too dangerous.

If your only opinion on trusting these companies more than one based in China is, they are Chinese then good luck, all the best.