Ya I get that view. I think where I get lost is when the company has a 'win' - aka an original and Pixar formula, but we still want it to lose because we hate the management.
It's almost like if you hate the General Manager so much you are disappointed that your team wins. Are you even a fan of the team or just a former fan?
Another thing (not you specifically) is that we have people cheering for Pixar to be closed. How is that a rebuild? Is that really fandom or is it just veiled hatred of the company? I don't care how bad Walt Disney Animation gets, it's kind of hearsay to claim one was ever a fan if they want the studio to close shop rather than have a successful movie they don't personally care for.
I guess one could make the tarnished legacy comment. But again the legacy wouldn't be tarnished if the movie was good... starting from the position of hoping it isn't doesn't seem like one cares about the legacy that much.