If they want certain skills, they can either start at a training pay or they can require training…
If people want to sign up for a class and the company says "you can do this upfront or pay later in installments," that's fair.
If they want certain skills, they can either start at a training pay or they can require training and experience at a premium wage.
If people want to sign up for a class and the company says "you can do this upfront or pay later in installments," that's fair.
What this is, isn't.