This isn't a red herring at all. This is DNS resolution and client PKIX implementation. You could fix your whole network to not import anything from outside, ban all BYOD, etc, or you could fire ICANN clowns who think they need to make changes to the reserved list because, why? Money, corruption, self importance?

HN is full of people from SaaS startups who in essence want to buy the perfect 900 number. But DNS and delegation goes far deeper than selling one name for $20 and going to other $20 names to store your code and email at other SaaS providers.