I appreciate it's frustrating waiting for training, but it's honestly fruitless discussing it. The wait for training isn't linear, training is delivered according to "business needs*". So it doesn't really matter when you passed your assessments, it depends on the requirements of LU.
It wouldn't be correct to say for example, "They train 10 people per week, so by after 10 weeks they will have 100 people trained." If LU don't have a need for 100 people they won't train them. (Being the entry grade, current CSA requirement can be dependent on retirement, promotions, secondments, and so on. It's quite unpredictable.)
Similarly, if there is a requirement for e.g. night tube staff, they will be prioritised over full time, even if the night tube trainee passed their assessments much more recently than full time candidates.
To be honest, this waiting game is something that will follow you around the company as you move station groups, gain promotion, or transfer train depots, so it is something you will be forced to get used to.
I personally think LU/Reed could/should manage expectations better, but they don't have the will, or maybe ability, so we are where we are. It's the same for every campaign to be honest, you just have to hold on to the hope that it will be worth it in the end.
*Business needs is a term you will hear a lot within LU and is used to allow the company to bend the rules according to their own needs.
