Connecting the world sounds pretty utopian when the broader interconnectivity, like trade, that we do have is fraying at the edges and starting to crumble.
Next people will want a interconnected communications channel between countries. Utter pipe dream.
The main issue with everyone agreeing is the one who disagrees often gains the advantage, especially if the control something they perceived more valuable then they are getting from being agreeable.
the checks and balances will eventually be deregulated and forgotten.