requires coordination to solve properly
Not necessarily. An effective solution to the tragedy of the commons is property rights. While at the moment there may not be an actor with a long-term commercial interest in elephants, this kind of legislation is making sure that there never will be one.
Property rights do not magically enforce themselves, you need a government to enforce it for you. Everyone agreeing to a government's monopoly on force is yet another coordination problem. This is not so easy in places where elephant poaching happens. That aside, Collapse had examples where property rights were not sufficient in themselves. You should read it, I enjoyed it a lot!
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
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