These people love being humiliated man. Calling their fetish disgusting is 1. uncalled for and 2. they probably enjoy you calling it that, since it's humiliating.
To be clear, I agree with you, I just don't think we need to stoop low.
This mentality that kink shaming is unfair is so fucking stupid. If your 400lbs gorging yourself on 6000 calories at a restaurant I'm gonna judge you. And if you are into seeing your love life ripped away from you by another guy I'm gonna judge you even harder than Gorlock the devourer. People with cuck fetishes are actually fucked in the head and need help.