they are just a bunch of antiwar protesters they say that war is bad and you lost your conection from that war but mace windo, obi-wan, anikan, yoda... were in a war in the clone wars remember in episod II. I dont beleive vrook etc. that the PC lost the connection to the force from the war.

The clone wars where nothing The exile help kill a whole planet very few of his men lived. Look at vets from war that where in big battles with alot of death and alot of their friends died. some are ok and some have mental problems. The exile through the force could hear the voices of the dead screaming and turned of the force so he could not hear them. thats also why he gets his force powers through the bonds he make.