When this BBW mistress found out that this guy was a bigot, she knew it was time for him to be put in his place. He had to learn that it did not profit to be a bigot and so she used her feet and her weight to trample and dominate him. He was in a lot of pain as a result and she even added a little humiliation as he had to lick her dirty feet.
This mistress wanted to teach this bully a lesson. She felt that he needed to be taught a lesson and that is why she did not hesitate to do so. The mistress wanted to make sure that he learned his lesson and it had to be in a way he would never forget for as long as he lived. That is why she used her full weight to pass the message and teach the lesson.