Earlier quoted context omitted.
The single benefit of Uber having a global presence likely already outweighs the value of these local coops. You can get off an airplane just about anywhere in the world and get an Uber. That’s huge value.
Cooperatives can expand by cooperating with other cooperatives -- a bunch of local cooperatives might nest to form a regional one, etc. Those regional ones could form a federation with a single identity for global operations. So, this problem can be addressed by cooperatives, it's just a different kind of structure that distributes power locally -- with centralized power deriving from the bottom up, by the membership…
In the case of Uber and Lyft, that's all the technological infrastructure that goes into making the platforms work. This isn't a trivial amount of work that can be easily replicated by taxi companies or scrappy driver-owned coops, as attempts to do so have shown. As we're all familiar with, maintaining this infrastructure is also far from free or trivial.
Credit unions are an instructive example. Many offer membership in interoperative networks, but few are able to effectively compete with the customer-friendly offerings of big banks with centralized power structures. The ability to satisfy customers isn't some side-effect, it's a key goal. A localized organization that can't compete is worth nothing except as a cautionary tale.
With that in mind, I would say the organizational challenge of coops is thus: how to keep centralized infrastructure controlled by localized entities while being competitive with non-local entities.