What a nonsense idea, you'd need to nationalise news, in the USA, right now this would not go to well, imagine Trump having the only news outlet...

I remember flying to Australia from London as a 9 year old UM (unaccompanied minor) and they plonked me next to a man who Chainsmoked the whole flight there

the more obvious advantage is better battery life on my phone having its own on my laptop

You can take the cellular modem in my X1 out of my cold dead hands and not a moment before. Open laptop, connected - no matter where you are in the world.