Why does Manassas have a bad reputation?

I used to live in Baltimore, then moved to Manassas when I was in Middle School. During my Junior year I moved up to Clifton (much closer to the school I was going to). I recently visited some of my younger friends who are still attending High School, and I mentioned that I used to live in Manassas when mentioning one of my stories. They gave me this look, and asked if the crime there was bad. I responded no, and asked why they asked. So it then came to my attention that Manassas seems to have this bad reputation among people in Nova. It's been a few years since I've been there, but the worse I saw were some crackheads lmao. Not even close to as bad as Baltimore. Thoughts?