There was talk about leaving temporarily before the shareholder revolt kicked in.
anyways Travis said himself he is leaving Uber because his mother just died, which was not a lie. And I believe when your mother dies you need time to grief and its perfectly fine to take time off.
If someone without the relevant information reads it your comment could thus spread misinformation.
And so people downvote. The other replies that got downvoted after that I don't know about though.
Enacting a coup while the king is absent from the castle is a common tactic.