That's true, but irrelevant. It's like comparing a swindler with a mugger. Yes, both use different methods, but in the end, you're still getting robbed.
Oh, I do. I think Drew went through the same "logic" loopholes some of the family is going through, namely "if you love them, it's alright to fuck them". Hunter wants to fuck them all to impregnate them. Drew on the other hand, actually loves his family, but still wants to fuck them, because, as I said "if you love them, it's alright to fuck them".
Hunter knows he's evil. He's admitted it several times, but I think Drew thinks she's not doing anything wrong. They're just giving these women what they deserve, namely mind-shattering orgasms. So, if Hunter has to "speed up the process" by using drugs, it's justified.