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
The trouble with the internet as a culture is that conformity is much more pervasive now. In the old days, a culture was a school, a town, maybe part of a city. Now people thousands of miles apart, mostly educated, think and act mostly alike, sharing the same views and in-jokes.
There is a huge diversity of opinion on the internet, more likely that you're just not engaging with it. Try a different website, there are famously lots of them
