The Cavendish will be knocked out of its throne, because it’s also got a blight going around killing the Cavendish plants.
The problem with bananas is they’re all basically clones. There’s no genetic diversity within a variety to help it, as a species, recover from a disease.
Gros Michels were supposedly creamier in texture, according to the book Banana: The Fate of the Fruit that Changed the World.