That's not even close to true.
I've known some elderly that have enjoyed being in a home, and I've known some that beg to leave, and/or lay in bed all day, asking to die.
Billy and Leanna are trying to help her, and are concerned about her health, mental state and happiness. A home may be in her future, but assuming everyone is the same, and suggesting the easy way out without research isn't helpful.
Decent nursing homes are very expensive, too.