Taxpayer funded loans inevitably lack the requisite underwriting, and hence turn into subsidies to the businesses that the loans are eligible to pay, hence allowing them to increase price.
See higher education and home prices in the US.
Having most people be leveraged to the max, using their own children’s future tax payments, is great for employers who want workforces with less negotiating power.
Proper state aid would be cash, or giving people houses and education. Not chaining them with debt to pay for houses and education.