The Transferwise borderless account is pretty good, at least I much prefer it to Revolut - since SEPA transfers happen same day, the app is better and the debit card is free.
And FBcoin won't make it any easier, capital controls in India and China won't just go away (not that FB is even allowed in China). Centralized entities will be regulated to maintain the status quo.
I think you missed the onion routing part. The route is determined by the sender, forwarding nodes only know who they received from and who to forward to, as with TOR.
Yeah, but there are two sides to that (voluntary) transaction. The person bidding for labor and the person offering their labor. If the buyer and seller can't agree then the transaction doesn't take place. The value of the labor is subjective.