"It's a private business they can reject whatever they want" is pretty much legal canon. And liberals are so worked up about regulating Twitter too π https://www.nbcnews.com/politics/supreme-court/supreme-court-weighs-web-designers-refusal-work-sex-weddings-rcna59852 e: added a poll
"It's a private business they can do what they want" Unless they are complying with federal and state regulations, hiring people, in financial services, real estate, etc