Actually, the wiki lists a lot more. Sure only 15 are major issues. But the manual does contain a lot of errors or strange omissions. Saying it was done on purpose is a bit of an easy excuse now is it?
But please, check your facts Gandalf, the wiki contains a lot more than just 10.
http://dom3.servegame.com/wiki/Manual_errata
And lets not forget the example strategies, which if used guarantee that you will not win the game
.