This has become a really annoying subject, many people trolling BGs by buying boats to many different locations. The "make sure people check the boats destination" is unfortunately not enought of a solution, neither is the 10 sec rule. Also, being able to summon many boats on top of each other makes it really hard to click on the right one. Implementing the easy feature of displaying the name of the buyer when clicking on a boat would be a major improvement that many players would appreciate.