Not "never" but not in our lifetime. They have floating offshore wind turbines.When I was daydreaming about a floating stadium, I was thinking that it could be floated to downtown Chicago and used for other events such as Major League Soccer. That would avoid the 'only used seven days a year' situation. That said, it's a science fiction idea that would never been financially practical.
I recommend against calling it Fitzgerald stadium out of respect and fear of the fate of the Edmund Fitzgerald