Because what he's doing is not a jailable offense.
Because I think a lot of judiciaries are just like companies in the sense of not wanting to draw unwanted attention, risk high costs or worse – having to deal with awkward situations at posh drinking events — think I got that last part from a movie.
The scarier thing to consider is what does it cost not to hold this person in contempt of court? Much of society is built on the justice system being able to do its job and much of that ability is built on court orders being respected. What happens when some rich person sets a precedent of disobeying court orders without consequence?