He has a close relationship with Trump, so this could be an internal Whitehouse play to hurt Trump, or, he might have "disappointed" Trump, so this could be punishment.

Alternatively this could be a Chinese play designed to sow dissent and disruption in the USA post the mid-terms.

Or, it could just be a rather trivial story about an over confident and all to human titan of industry making the kind of mess in his personal life that a lot of people end up making - watch any TV mini series for example after example.