Even if the claimant wins the case "just" in California, it impacts all companies doing business in California. And since almost every large (US/World) business operates in California, this ruling will help all consumers/customers of those companies.
(Late addition): In fact, it seems that SFConservancy _wants_ the case to be tried "just" in California, hence the fought in Federal court and brought the case back in a State court. Perhaps the advantage is that it's easier to win the case at State level, but the ramifications of a win will be US-wide, or even Worldwide, as explained above.
(Late addition): In fact, it seems that SFConservancy _wants_ the case to be tried "just" in California, hence the fought in Federal court and brought the case back in a State court. Perhaps the advantage is that it's easier to win the case at State level, but the ramifications of a win will be US-wide, or even Worldwide, as explained above.