Then while I was wandering around I heard some geek in back of me say" oh he thinks he's a professional photographer with that camera".

My theory -- she's too used to issuing snarky pronunciations in various chatrooms to realize that maybe she needs to filter herself out there in the real world. Could be a bit of envy too? I say, good on you for lugging that fella around with you! Maybe you're not a professional, but you're a serious photog.