You're right that it doesn't create any insurmountable problems, but it does matter. It defines new rules for the domain name game, and domain names are an important piece of a company's public face.
The best thing that could come out of this, is the developers and engineers that actually build the Internet, Web, and mobile Web, and make it all matter --- demonstrate that this is all bullshit by ignoring the new domain expansion and showing that it isn't valuable or necessary.