1. Are these people just general 'early adopters'? Anyone who's willing to try new stuff is going to use products that ultimately fail in the marketplace. This is the whole 'Crossing the Chasm' story.
2. Are these people merely flitting from product to product? In other words, they drink the new Cola A now but will immediately switch to even newer Cola B tomorrow. Thus, they're not really reliable long-term customers. The article gives the impression that this is not case but it's not that clear to me.
In any case, this comes down to a question of market size. If that niche is big enough, there may still be a profitable business in it. For example, how many people do you think need a service that makes Bingo Cards?