Derisive attitudes towards autofellatio

Got a question for the selfsuckers. Have you ever caught a derisive attitude over the fact you can perform autofellatio? I've had some acquaintances become aware of my oral proclivities and try to give me shit about it. Isn't that weird? Seems like they should have been happy for me. I mean, if one of my friends won the lottery I would be thrilled for them. How is this any different?