Key cause:
The artificially low interest rates led to a mismatch between consumer preferences and production plans. Entrepreneurs, encouraged by cheap credit, embarked on numerous long-term projects that required resources. However, when the credit bubble burst, it became clear that many of these projects were not viable, leading to widespread bankruptcies and unemployment.
I think it depends on the relays. There are paid relays that filter inappropriate content and also you can have your own relays only for your students.
GENESIS