Cause this stuff is illegal and high profile. And Uber has been skating if not nakedly flaunting the law for a long time now. If the DA starts sniffing, people are going to start talking.
Furthermore, the odds of the leaks continuing approach certainty at this point. Even in a civil trial, who would perjure themselves over a job? (Pleading the fifth is a potential option even in a civil case, but is real problematic and probably will make a criminal investigation even more likely.)
Furthermore, the odds of the leaks continuing approach certainty at this point. Even in a civil trial, who would perjure themselves over a job? (Pleading the fifth is a potential option even in a civil case, but is real problematic and probably will make a criminal investigation even more likely.)