Yes, i agree. and i don't think there is much else to read into here. I don't think the rest of the email is coded or something.

I wonder how evil the literal Crowley would be by todays standards. But disregarding him, just think about this philosophical statement by itself:

"Love is the law, love under will."

Now, think about how the concept of "will" would relate to the concept of "consent". As i understand it, this is pretty much excatly the law that the pedos break.