My uninformed 2 cents but, next year at any point seems ridiculously optimistic, unless they are already quite a way down the garden path with this. It's always funny how they bring out the "5000 expressions of interest" line (in every industry mind you). So if the first lot of people begin training next year your still looking at around 2 years before you see them in the group. Now we are in 2021.
As Keg says the critical shortage would most likely have already begun. Keg and others will no doubt be able to give a far more accurate appraisal but at this stage are you guys who are in the tent completely certain that this thing will even happen and if so will it happen within the timeline given in the press release?