I do not understand...the whole reason why the system is in place is because people have been complaining about the Holy Trinity (Tank, Healer, DD) now everyone is pushing to go back to Holy Trinity.

But I digress, let us get into the meat of the OP, I understand what they attempted with the system, but it was badly implemented. It could of worked but they made everyone as one of the other posters said Grey. Some of the poster will tell you that all they did in all the MMO's was heal and that this is what they want to do. In the current state once every job/role whatever you want to call it is 50 we will all be playing the same thing, some one is going to come up with the cookie cutter of what you need from every role and everyone is going to play by themselves. While I think Solo needs to be an option this is not an RPG it is an MMORPG. Some people need to be told what to do cause they can't think outside the box, and this is OK there is nothing wrong with this kind of thinking but for those that do it gets frustrating. It is hard to please everyone, they tried to please everyone by giving them options and in the end they pleased nobody because of all of the options.