I agree, that person was drinking. If I could take back all the stupid/insulting/insensitive things I said while drinking. They are just making conversation.
I'm sensitive to what people say about my sobriety as well. I've realized that no one takes my sobriety as seriously as I do. I wish they did. I used to use that as an excuse to drink. I'd think "No on else cares if I'm sober, so why should I?" I have to watch myself. Good on you for posting.
I've had to distance myself from certain people and be around those that do respect my sobriety.