No there isn't. It's a businesses responsibility to create value for their customers. If there's enough value, customers will buy the product. If there isn't, they won't.
The sole responsibility for creating value lies at the feet of the owner and management. They've failed to do so.
The Senators are entertainment. Fans aren't obligated to support a product they don't like (whether it's because of on-ice play, public relations, in-game experience, pricing, etc), just like I'm not obligated to go to every Natalie Portman movie regardless of reviews.
As the owner, an now CEO, it's Melnyk's job to create a product that he can sell. If he can't, that's on him, no one else.