Are we really debating this?
It's just like the thread with the kids in the dog park.
Dog parks are for dogs. Kid parks are for kids. Bars are for people who want to unwind, get drunk, get laid/raped, forget their own problems, watch a game, see a show...etc. Chuckie-Cheese... well if you've ever been there, you know what that's for.
I'm all for a universal ban on children in bars. It's fucking stupidity.