"But what about a modular decentralized network of local and non local communities across the globe working together in symbiosis?"
Zuck is working against that.
'Sovereign nations, interacting and trading with one another with mutual respect and fraternity' is practically the motto of for example the UKIP party in the UK - but it's denigrated by most globalist types.
Most globalists want more power to the UN, more power to the EU, more power even to at the Federal level of the US, more power to globally governing entities.
They are usually good people, who think that they know better than the common person.
Here is a good example of a voice for staunch globalism: Jean Claude Junker, President of the EU Commission:
https://en.wikiquote.org/wiki/Jean-Claude_Juncker
You can read quite a lot from his quotes - they are quite authoritarian and in many ways totally anti-democratic.