Pet names and terms of endearment are a "no no" in the workplace and can be a form of sexual harassment. There are numerous articles about it on the Googler. Though, on the Q, they are trying to portray the hosts are at home or in our homes with "friends and family", and they are acting, so I assume these are all the gray areas of this behavior. Shawn is also a narcissist and they love using nicknames and pet names for everyone. She's condescending.