You talk of logic yet the logic has eluded you!
You want all the perks and game style of the nation player but with a cool black flag on your ship.
If you want a cloned another nation you have plenty to choose from as it is. No need for a fake "pirate nation".
Pirates in this game should be something different. Whole different ball game with it's own dynamics at play.
Pirates should not be able to crew ANYTHING bigger than a frigate, should have a tough time to cap deep harbors and be even harder to keep them in their possession.
Anything other then that is stupid as is so far from reality that it's silly. Pirate moto is to make money by plundering, to strike undefended targets, fast and hard, plunder it and be gone before the
nation can mount a defence. It's not up to pirates to wage open warfare against a colonial power!
No if you ask me why would somebody play with such handicap i do not know but it's a life of a pirate. Like i said, if you want to play a gameplay of a nation then pick a nation. If you WANT to play A PIRATE, then for the love of god play like the pirate should play.
LOGIC