The federal government tracks all student loans, they know very explicitly how many people qualify.
If you’re making income based payments, and you have low income, the debt grows over time because the payments aren’t even enough to cover interest on the debt.
While I endorse the change, I believe it’s being made to avoid arbitration being weaponized by class action plaintiffs, which can be more costly than a class action lawsuit
Eg: https://www.jdsupra.com/legalnews/mass-arbitration-aaa-looks-to-reign-in-4534306/#:~:text=In one example%2C Uber was,at the outset of cases.