Hello.
There has always been an issue with the game which meant when a ship was sunk, they would often come straight back a few minutes later. Me and my friends have had to give up skeleton forts multiple times because they become wars of attrition where no one actually makes much progress in the fort itself. The times we win and manage to finish the fort, we often get attacked while looting and off guard.
Today we were attacked 4 times by the same sloop beating them Everytime but losing on the 5th time because we now lacked resources. It was not worth fighting them again as we spawned literally the other side of the map when they spawned at nearby islands.
I have a suggestion for stopping the same ship attacking repeatedly and it is fairly simple. I suggest when you sink and all crew players either die or return to ship, you are moved to a new server which prevents spam attacks against players
