Deleting parent comment, dosen't delete childs
i'm not sure if this is on purpose, but if I delete a parent comment, child will not get deleted.
Comments in response to another comment floating arround might not make sense to whoever is reading.
Could you have it so deleting parent, will delete child(s).
This comes from WordPress. As far as wpDiscuz based the native (core) WordPress function, so uses the same logic.
However, you can use the following hook to do as you need: