WEll you did the right thing and just smile as there are so many ummm "ignorant" and high maintenance people out there who have no clue !!
Be PROUD of what you said and did ( I would of blown a gasket!!) as we all are proud of you. I am sure the friend just wants to crawl under a rock, she as well needs to be proud of continuing on a a wonderful craft that many in life have no clue about !!