I probably disagree with you about whether a vote for Biden is a good idea or not. That’s fine….people can disagree about ethics in voting. The article is saying the many reasons I think the white folks in the progressive coalition need to take a secondary role in defining what is unforgivably racist problematic. As you can see, I think if you don’t like him anyway, it really is unhelpful to promote the idea he is unacceptably racially problematic, when the people who are more familiar with racism know the difference between an awkward ally and a virulent racist.