They constantly lie about it when it suits them.
Even if you are living at home, it can be a problem. It's horrible to be shunned in your own home.
It shows their doctrine to be complete nonsense when they one treatment for a child or marriage partner living at home and another when a family member is not living at home. If the child is old enough to live away from home, the expectation is that they leave.
They break families up.