Because before Israel were exiled, the blessed Holy One revealed to him Samael, that Israel will be destined to be under their captive control, [Var. to go out from under their subservience] and He showed him, and the seventy appointed-ones under his hand, their reward – if they will respect Israel in exile. It is this that is written: (Gen. 39:5) And Y”Y blessed the House of the Egyptian, because of Joseph.
But he and his appointed-ones, did not behave respectfully towards them, instead, they degraded them and the Shekhinah, for they say to them every day: (Ps. 42:4)... where is your God?