Quote Originally Posted by Rin_Kuroi View Post
Because that is the purchase site not the informational site. Its there so you can purchase the game. Its has just enough information to verify that you are purchasing the product you want. Its not there to help you figure out which product you want to purchase.
As I said, not everyone will research it and SE will be aware of that fact. So, letting players know in places they can purchase it would be the decent thing to do. That's all.