The General Hux changes are like what the Darth Malak changes were, to nerf a free-to-play counter to a recent pay wall/pay-to-play character. Also, CG made it sound like it was closer to what they or...
Regardless of anyone's feelings/position/thoughts, if you think you won't need him at g12+ and with his zeta for the new Rey or Kylo, keep him at 3*, level 1 but if you have him at 4* g12 with zeta you are 1/2 to the requirement and I am sure at 7* he will make a FO team an absolute beast in TB, TW and GAC. Not so sure about Arena yet but we shall see.