The ruling said there was a conflict of interest. Effectively his friends on the compensation committee conspired with him against the best interests of the shareholders.
Except the shareholders disagreed
If the shareholders get advice they believe is from independent agents representing their interests but instead is from plants representing Musk's interests then any opinions formed are not valid.
There haven't been many (or any) shareholders other than this plaintiff who obviously had ulterior motives, that said they were deceived.