He ignores his wife's suggestion because, among other things, he wants to see some great looking babes. Maybe this isn't a guy whose philosophy I want to follow.
I understand the point of the quote. My point was that if someone advocates for something I consider immoral, I prefer to disregard the overall philosophy that lead the person to advocate for that.
If the quote threw in some casual racism, or advocated for stealing the envelope instead of paying for it, I would similarly disregard the overall philosophy.