Perhaps, they've got nothing else to go on. Perhaps the reason it wasn't admitted as evidence in a court is possible their own attorney's thought it was ludicrous as well.
I think the reason they (and others on these threads) accuse him of causing her injuries is because if they don't have someone to blame they have to come to grips with the fact that Terri is in the situation she is in because of the choices she made.
BINGO! She didn't like the fact that she may have been overweight, so she made the choice of going on a steady diet of 10-15 glasses of iced tea a day.