Earlier quoted context omitted.
Again, the word "bias" and its definition exists outside the comparatively narrow concern of training LLMs.
So? The smaller problem is solved by solving the larger problem. So, not separate problems. You seem to have a larger point or position or something that you're hinting at. Would you stop being vague, and actually state what's on your mind?
You seem determined to make the definition of the word serve some AI-related concern.