I don't grant you that assertion. There's no reason to assume they would be useless.
Buying a rule book full of rules I don't want to use is not an ideal condition.
The rules are inefficient because they are clunky and convoluted. Yes YMMV, that goes without saying, however it is hard to argue cogently these are objectively efficient rules.
You don't have the power on an internet message board to grant of deny assertations. You by no means have to agree with them however. There's no reason to assume that they're useful either
So don't buy it. Reviews of the product exist, this message board is full of people talking about the system and the pros and cons that they see.
How are they anymore clunky or convoluted than 1st Edition?