> The government has created a situation with the student loans thing where basically anyone can borrow 500k to get an obviously useless degree.
The point applies even to the useful degrees, and more broadly to the universities irrespective of any particular degree program. Student loans and scholarships make demand almost completely inelastic -- totally insensitive to price increases. Universities compete to attract the best students, and a major mechanism for doing that is to invest in non-academic amenities, such that tuition prices are funding much more than literal tuition. Combine these two factors together, and you have a feedback loop of continuous price inflation.
Similar factors are at work in the healthcare and housing sectors, with the most important element being that external subsidies eliminate price elasticity on the demand side of the equation, and completely obliterate the dynamics that ensure downward price pressure in normal markets.