Absolutely, you did the right thing, including cutting away when they got belligerent! You should be proud of yourself for not letting them bully you, and you set a great example for your son(s). If I had any right to be proud of you, I sure would be ;)!
In a perfect world, we would be able to trust everyone's word, but they were totally out of line demanding you join them in fantasy-land.
edit: Hey! Where's the option to send you a flower for a job well done?
edit#2: In case anyone else is wondering, if you click on the requester's name to go to their profile and scroll down, you can send a flower under "what they've been mamasourcing about" :)