PCS need stronger reps who are not so "close to management" . Union rep promotion has been endemic for years. When local reps dream up new posts and promotions, write the job description which is beefed up and embellished to warrant more dosh and then apply for these posts and get them........
Of course it could just be pure coincidence that the negotiating team have all been promoted recently
You will need to have a vote of no confidence in your local reps, stand up and be counted !