It is not a matter of having mercy, it is a mattar of being a human. Destroying the orphanage as a punishment for everyone including the children is obviously tyranny. Even if they lied and that could have caused his daughter to be a slave, this does not give him the right to destroy the future of the children. Especially when it was already clear to him that there was something out of the place about the orphanage.
Watermelon
It is not a matter of having mercy, it is a mattar of being a human. Destroying the orphanage as a punishment for everyone including the children is obviously tyranny. Even if they lied and that could have caused his daughter to be a slave, this does not give him the right to destroy the future of the children. Especially when it was already clear to him that there was something out of the place about the orphanage.