I doubt it's related to hotwifing and more related to the average dude not wanting their dicks to be that close to another dudes. Why would it be more pleasurable for a guy? How does that enhance anything for him?
It just seems like it would be a more powerful pleasureable experience for the husband since he's actually ducking his wife.
He's up close and personal and can feel the pleasure his wife is getting ducking bbc.
I would imagine that's more powerful for the husband standing in a cornet with a charity belt.
I don't think I'm into cuckolding well at least the humiliation aspect. I'm more so into making sure everyone gets off and cums.
That's what I would want