There appears to be a certain level of background propaganda where people keep saying that such-and-such occupation is facing a shortage of workers, but the act

There appears to be a certain level of background propaganda where people keep saying that such-and-such occupation is facing a shortage of workers, but the actual evidence of that in the real world - sharply jumping salaries - rarely seems to eventuate. In a lot of cases wage rises don't even match the amount of money printing going on. And things like being "unable to fill" a role are a red herring. They are probably fishing where they have a role in case someone with very high skills very much already in the field comes along at a moderate price. In a real shortage people pay above market rate to attract canny candidates, then hire a capable individual who is slightly under-qualified and train them up.