Earlier quoted context omitted.
> is a typical dog whistle for a lot of people who are racist How do you know this? Do you associate with racists? Or did somebody tell you that racists profess basic unitarian universalist values? If so, why were they telling you?
It's a known thing and questioning common knowledge is generally the tactic of a contrarian or a manipulator with the intent of diffusing the conversation.
The tactic to weave in the threads of logical statements or irrefutable facts together with person's/organization's agenda is used by everyone from radical individuals to sects to popular political parties.
However, you cannot turn this argument on its head by saying that a reasonable statement shared by "bad" people makes it bad or invalid by association.
Also, did you know hitler too would agree that sky is likely blue?