One of the better things that came out of the Occupy movement in '11 was a rolling jubilee movement that raised money to buy up medical debt then tear it up. It's been done before. It mights till be happening, let me look.

https://www.theguardian.com/world/2013/nov/12/occupy-wall-street-activists-15m-personal-debt

https://en.wikipedia.org/wiki/Strike_Debt

https://www.theguardian.com/world/2012/nov/15/occupy-rolling-jubilee-debt-forgiveness