Meta CEO Mark Zuckerberg and Elon Musk have feuded over the years but agree on at least one thing: OpenAI should remain a nonprofit.Andrew Caballero-Reynolds/AFP via Getty Images. Allison Robbert-Pool/Getty Images.Mark Zuckerberg's Meta urged California to halt OpenAI's transition to a for-profit company.In doing so, Zuckerberg sided with his occasional nemesis, Elon Musk, who also wants to stop OpenAI.It seems the two tech billionaires have finally found some common ground.Meta CEO Mark Zuckerberg and X owner Elon Musk have long-standing beef about everything from artificial intelligence to how they run their respective social media platforms.While that feud has lasted for the better part of a decade — and has even threatened to get physical — the two tech billionaires now agree on at least one thing: their competitor, OpenAI, should remain a nonprofit.Zuckerberg's Meta asked the California attorney general on Friday to stop OpenAI from becoming a for-profit company.