Comics and kids

Today they told me: "You read comics again? This stuff is only for kids dude, grow up!"
I'll set aside the "grow up" thing, and I'll focus on the "only for kids". I hate people who don't understand certain things. I call them "peasants".
Here are some pictures of various comics, DC all. And then tell me if what you see/read is kid's stuff. You can view them full-size if you click on 'em.
And there are also scenes with more violence and psychological stuff. Clearly not for kids.