ah wow this is a brilliant sentence! I never saw governments as platforms but they DO ARE! In fact I was always critizing Apple App Store 30% by saying: "What is the App Store a government that can charge me a 30% tax?" and in fact my fear is the reconstruction of a DIGITAL FEUDAL SYSTEM.

Where there is a King that charge a tax and then there is smaller and smaller nesting of feudal lords that charge other taxes.

KING US Government charging 20-45% income tax

  DUKE Apple charging 30% App Store tax
  
  DUKE Google charging 30% Google Play Store tax
  
  DUKE Microsoft charging X% Microsoft Store tax
    
    MARQUEES Spotify/Netflix/Airbnb charging a fee for their platform

I think we need to be careful to not smother the fire of innovation which brings social mobility across classes/income groups. If we allow Apple/Google/Amazon/Facebook to suffocate the innovation coming from the smaller companies we might find ourselves into a new medieval/dark age period with a lot of zero sum games and hierarchy and little innovation.