Depends on the field. This does happen in fields with low turnover and high longevity. The point is if you want to railroad people into apprenticeship programs you need to limit it to fields that people can do for 30+ years.
Otherwise as I said in a different post you end up handing out medical disability early retirements to lots of people which is extremely expensive.
Otherwise as I said in a different post you end up handing out medical disability early retirements to lots of people which is extremely expensive.