She might give them, the seconds who couldn't carry the next generation, or the thirds whose heart could be swayed, the way to become the head of their houses, since there were many ways it could be done by assisting Ariel.
In addition, there were many various nobles and royalty to be found in other countries and tribes.
If Ariel, who has extremely high charisma, were to return after attaining strong ties with foreign countries...
The first prince faction thought that it would be best to make this attack somewhat excessive.