If that's the definition by which people think the internet is dying, I find the definition suspect. And I find the solution suspect, because the notion of building protocols instead of platforms doesn't address the question of how to route those protocols over a network that has evolved to address the problems associated with laissez-faire protocol management in the past.

There's a very good reason that so many systems block everything except port 80. Does the idea of protocols instead of platforms address that reason? Because most people don't want to make themselves vulnerable to attacks along threat vectors they aren't even aware exist.