Are those Cavendish bananas in Vietnam? If they're another variety consumed locally, that wouldn't contradict the article's claims:
> Although thousands of banana varieties grow around the world, only a few have the precise characteristics necessary to withstand the rigors of large-scale commercial cultivation, long-distance transport, and international marketing. A banana with those characteristics, a taste and appearance similar to the beloved Cavendish, and resistance to TR4 does not exist.
> Although thousands of banana varieties grow around the world, only a few have the precise characteristics necessary to withstand the rigors of large-scale commercial cultivation, long-distance transport, and international marketing. A banana with those characteristics, a taste and appearance similar to the beloved Cavendish, and resistance to TR4 does not exist.