This is really sad. Isn't "competence" a necessary prerequisite for entering into legal contracts?
If someone has brain damage and struggled with an education, usually a custodian is assigned to take care of their finances and make financial and legal decisions for them. In this case it didn't happen, and her name and phone number is on a list of people who got settlements that these companies buy and then call and scam out of their settles for pennies on the dollar.