LES is an outdated stadium that has been renovated several times to try to keep up with fan demands, but there is really nothing special or significant about the structure itself. It is just a concrete shell with some bleachers.
Abravanel Hall is a unique, iconic piece of architecture in a city that has relatively little unique architecture to speak of. If their vision for the city involves getting rid of one of the city’s main cultural touchstones, they should find a new vision.