This is one of the few posts that actually answers the question. Invoking the fifth makes it more likely that he (and Uber) will lose the present civil case, w

This is one of the few posts that actually answers the question. Invoking the fifth makes it more likely that he (and Uber) will lose the present civil case, which would be very bad for Uber and pretty bad for him. But it could protect him from future criminal prosecution. So I guess he thinks it's pretty likely that he would be found guilty.