You know, she *has* been known to use her powers in slightly petulant ways.... and sometimes to snap people's arms, necks or liquify their brains.

Also, fun fact, it's not entirely *difficult* to impress certain, let's call them values upon her.

What I'm saying is: Yessssssssss, I love Crowley, Crowley should have interactions with El. Nothing bad can come of it.