It's alright- I get it. Nobody likes being insulted, and nobody likes to be told that something they're doing is wrong. Tensions rise easily, especially online when the confrontation is less direct and not in person.
That being said, it would do you both good to be more mindful of the other person in the future, rather than jumping to conclusions, calling names, or denouncing what they're saying/doing in a disrespectful manner.
Speaking of which, I hope I am not denouncing anyone. This isn't meant to insult or chastise either of you; I simply don't want a fight of any kind to occur, and I don't want to see anyone besmirched in any way. Things happen, and we're only human, but we can do better than that.