Check out TNG on huggingface
They are a consultancy in Germany, but I watched a presentation on them tuning and removing bias from Deepseek models. It was quite interesting.
https://www.tngtech.com/en/about-us/news/release-of-deepseek...
(I upvoted your question as I agree)
Its not just code we need to worry about, its also subliminal messaging and other things.