Note the mention of "Nobel prize-winning scientist", which is generally the most prestigious scientists out there. What they say usually have authority and is believed by the ordinary people.
2. Emotion
First of all, how does the author know that the group is made up of "bigots". This is playing on the person's emotions, and trying to make them angry at their mistake, as well as give them a different group that they should look into.
3. Appeal to Logic
Note the usage of "make sense", as well as the building up of argument from the logical conclusion that "Diversity makes sense.. (via these reasons)".
Answer: The sun is shining so hot and gleaming, making the summer water come up steaming. The moon so bright and calm at night, making it seem like the brightest thing in sight. The children sleeping so calm and silent, in their dreams they seem like a giant.
