I would like to suggest that Rare should add 1 island to the game. It doesn't have to be named TORTUGA but it could serve a vital roll in the game.
Like other outposts players would be able to purchase cosmetics IE: ships, clothing, trinkets, and weapons. As well as enjoy a pint at the tavern with friends and foes alike.
Unlike other outposts players would not be able to acquire voyages or turn in chests, skulls, or livestock. Players could use this island as a true social space to meet up with other crews to befriend or behead. A solo player could meet up with a 3 man galleon. And merge together to form a 4 man crew. 2 sloops could form together to make a galleon. Players that want to go after Order of Souls voyages can team up with other like minded players. This island, and only this island should remain neutral. Leave the rest of the in game world as it is.
This is a PIRATE game after all.
