1)
How would they be like their fathers and brothers?
1.
'Rashi': If they will trust that Melech Ashur will go away. Previous generations abandoned Hashem and transgressed, and he made them desolate, like you see.
2.
Malbim (6-7): If they do not repent, Hashem will destroy them via a punishment of Hashgachah - "Ki Tzuram Mecharam."
