Honestly, when I pvped back in ARR, the issues with hit detection and balance regarding positionals and what not made the use of all existing skills tedious and unwieldy. When I began pvping again in SB I wasn't happy to see so many skills gone but I've since grown accustomed to the skills available.

IMO, with the level of balance they've achieved (which is much better than before but still in need of improvements) I think they could slowly add more skills back in based off the needs of each individual job. But not dump them all at once back into the game.