"you can just go to OKC, set a filter to a given city, and begin scrolling down" Buddy this is not how OKC works.
If you want to see someone's answers to questions, you have to provide a response of your own to compare. Unless that's changed.
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
If you want to see someone's answers to questions, you have to provide a response of your own to compare. Unless that's changed.