I think making the game "classless" is way of dumbing the game down
So...giving people freedom to mold their characters however they see fit, is dumbing down the game?
That's not what I said exactly, but because it's removing the common RPG complexity of class restrictions it does make the game more accessible to people not used to RPG rules I suppose; that's not necessarily a bad thing, but either way skill books just strike me as a silly concept.
You could make it classless without skill books.