Evident world views far off reason, reality, compassion and pragmatic self-regulation, don't speak for a stable, predictable and reasonable personality.
If a person thinks some humans deserve less rights than others, how could you trust any update to not reflect this world view?
Additionally you may be becoming technologically dependent on a person whose actions may be detrimental to your safety or wellbeing in other parts of your life.
You may also just don't like to promote this person's work.
It's fair to inform others about the person behind the software they are running. Everybody can make their own informed choices.