This is a few days after they hired a lawyer. I'm guessing they were told they either spend a million dollars fighting this in court or shutdown their website.
Piracy of content "owned" by companies who act in bad faith is not an option it is an obligation.
Nintendo, Sony, Disney, Amazon, Microsoft, Adobe, etc have all done their best to make the industries in which they operate significantly worse for both consumers and competitors.
Goodwill? What's that? Proceeds to party-poop themself to death.
Nintendo really seems to be tired of being loved by gamers. It's like they're trying to beat Blizzard on how quickly they can burn their fans into never touching them again.