Ill just say not to judge quickly for he/she has a lack of knowledge about bitcoin. I'll explain that the person should research more about the topic before getting into a conclusion.
You're right don't judge first if you don't know the true story behind it. I think this person is lack of knowledge about in cryptocurrency. I explained to him all the details about in bitcoin and I willing to teach and give him guidelines. I think in this information he open his mind about in cryptocurrency before we jump to conclusions.