You are correct barring non-monotheism pendantry but there are multiple purposes including what was originally intended. Another purpose was to dump awkward he

You are correct barring non-monotheism pendantry but there are multiple purposes including what was originally intended. Another purpose was to dump awkward heirs and spares in a primogeniture inheritance - certainly not an offically endorsed one - akin to a butcher's knife being meant for livestock and their products.