Here's the official NHL position on Cassidy's contract
The Vegas Golden Knights are the shining stars of the entertainment capital of the world, and they’ve been the talk of the town for the last two months. Of course, most of the headlines pertain to their postseason success— after largely failing to live up to their potential during the regular...
ca.sports.yahoo.com
The silver lining might be that they will review it again at the end of the season.
It does look like Vegas has the legal power to pay him $5 mil next year to not coach. (So he's not going to starve to death)
Clearly, Vegas is currently holding Cassidy to the terms of the contract he signed so my sympathies are limited. If he didn't like those terms, he shouldn't have signed the contract with those terms.
Having said that, if he is not coaching in the league next year, that is a loss for the league. Hopefully, they find some compromise (maybe let him coach the Leafs in the East ..)
I saw a media report today from a Vegas reporter that gave Cassidy some credit for the foundation of what Vegas is doing in the playoffs ...