I still don't see the problem, and the arguments about them being "unfair" or making putting too easy for bad putters are not getting any more convincing even after dozens of repetitions. It's an equipment choice. I play a hybrid because a long iron is harder for me to use; is that unfair to the good iron strikers?
Also, the fact that these long putters have been around for a long time is important to the debate. It's a little late to decide that these just weren't the way people were intended to putt. They're not a common choice, but unlike the croquet-style ban, the putter has been an accepted option for a long time. Given that they don't hurt anything, I don't buy into the hate. Just like any other piece of equipment, choose the option that best suits your game.