Thank you.
One of the major impediments is just the data itself. It's simply not available. There are no coherent data on what the actual completion rate is, and nobody is able to explain how many apprentices are enrolled at what level in what programs across the country. And because an apprenticeship is a relationship of the apprentice with the employer and the government, there are incentives for the apprentice to stay in at the beginning, but nothing to help them through, so financial obligations come up.
For employers, there's a risk of having the apprentice poached when they become a journey-person, so there's not a lot of incentive to keep them on and have them get their ticket, for risk of having them poached by another employer.