[lonelappde]

Seems that a fix for that would be to attach a loan/bond to the training that gets repaid by cash or by credits for working at a member employer.

[jimcsharp]

Unions were started in part as a response to indentured servitude. I'm not sure that would fly, politically.

[toomuchtodo]

Purdue does something similar without requiring you work for a specific employer.

https://www.purdue.edu/dfa/types-of-aid/income-share-agreeme... (Income Share Agreements)

https://www.npr.org/sections/money/2019/03/29/708152566/epis... (Episode 903: A New Way To Pay For College)

[bobthepanda]

The AMA basically does the same thing in certifying schools and capping spots (which allows the schools to charge several arms' and legs' worth of tuition)