Tas
You are obviously factually correct in your first example. However that is only על פי סוד. When dealing with it on a practical level it’s a מחלוקת if you take that into account.
(when someone is forced to choose between that and an illicit relationship)
As far as your second example, it’s simply because of it being אבוזריהו דגילוי עריות which has the same dinim as ג”ע for this פרט