What is the meaning of the phrase on the t-shirt worn by Zuckerberg during Meta event?

Meta CEO Mark Zuckerberg, who is known for his passion for ancient Rome, wore a t-shirt that read "aut Zuck aut nihil" during the annual Connect event in California. The phrase translates to "all Zuck or all nothing". The phrase was a play on "aut Caesar aut nihil", which means "either a Caesar or nothing" or simply "all or nothing".