If the Death Eaters really don't care and lead all the dark wizards to launch a full-scale attack on Hogwarts, Albert really has no good solution. He can only let everyone prepare in advance and fight the invading black wizards. The wizards are fighting together, and then they will not be able to deal with the group of dark wizards as calmly as they are now. After all, their side has not had any advantage in numbers from the beginning. When the dark wizard launches an attack in an orderly manner, it is actually to his own advantage, because the instructions