Loryn Brantz, the creator of the viral Good Advice Cupcake character, has accused BuzzFeed and Amazon of sidelining artists after the companies licensed her work for a new AI-generated animated series, Cupcake & Friends, without her consent. The project, announced in the United States this week and developed for Prime Video under Amazon's GenAI Creators' Fund, has triggered an intellectual property dispute that Brantz has described as 'an assaul…