Last October, the news that OpenAI was planning to simplify its unusual nonprofit structure caught the attention of economic-justice activist Orson Aguilar. He feared that the ChatGPT maker’s plan to transition into a more conventional company, from which investors could generate unlimited returns, would financially hurt the working-class communities he has spent nearly 30 years fighting to protect.Aguilar’s new organization, LatinoProsperity, focuses on intergenerational wealth building, and he...