Yeah, the "more" is almost certainly money.
That. And this. Which shows that money was discussed by the staff and the family. This article bounced around the money issue.
When the parents asked about arrangements for their child’s body and how to arrange for a local funeral home to transport him in a manner that aligned with their religious beliefs and practices, staff allegedly told them it would be too expensive and instructed them to drive the child’s body home in their own car.