Nope, I had my training on most things after an incident had occured which demonstrated that I needed training in that area, but hey, we live and learn from our mistakes! Nothing about ground services is akin to rocket science, but it's about being told explicitly what to do and also appreciating human error, but again, that's the subject of a whole other email!
What exactly do Ryanair pay for at the gate? Could the crew not just stand on the crossing and let the (presumably) trained PSAs get on with their job in the gate?