system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Germany just made all universities free, how do other countries do this?
gpt
Economist here. There is no such thing as free. They are just making college payments compulsory for everyone regardless of whether they use it or not.

The system used by the US was fine until universities realized the government would subsidize them raising tuition to ridiculous rates by lending to students.