No, Protection is not a finished product and this became very obvious with the recent build where they dismantled the artifact ability on purpose. I completely agree with Agromat's statement.
There is still some time until release plus as always the first month(s) is going to be a mess where they finally "see" the issues if any and start fixing these
There is a lot of quality theory crafting in this thread but why does not anybody post in the official beta thread which seems pretty active? Just curious. It is 24 pages long at the moment and from what I could tell there is only one Warrior question asked (and answered) whereas the other classes are doing an active interrogation