You can know that swimming through a lake of fire is bad, but you can never know just how bad it is until you experience it. Your bloodline also ensures that you will never know just how bad it is. It will make things easier for you. You won't have to swim through a lake of fire to achieve what your ancestor achieved, so you will remain ignorant of what it feels like.
Salvini felt grateful for the advantage of her bloodline and the fact that she would remain ignorant of what it meant to swim through a lake of fire.
She thought to herself, "No one should complain about their bloodline without having the full knowledge of how that bloodline came to be. That's just ungrateful."
"My ancestor has done his part. And now, we also must do our part for the plane." She said with steely determination.