I just posted this comment on that video:
"I made it 8 minutes into this video and I'm not sure I have the heart to continue. You are missing some preeetty major pieces of the puzzle here.
Starting with that "complicated wind dial" of yours.
That's a "polar diagram":
http://www.myhanse.com/uploads/20080331_113019_531_polar3.jpg
This means the developers of Skull & Bones were actually aiming to bring ACTUAL REALISM into what in AC4 was a disturbingly arcadey sailing system.
Trust me. I should know.
My opinion of Skull & Bones just jumped UP several big damn notches based on what you show and explain.
But somehow you sound as if these are bad things.
I'm honestly impressed.
These developers have some GOOD DAMN IDEAS!!!"