This sounds related to a recent YouTube Gaming subscription update: https://goo.gl/zfgfC4 . Now any channel you’ve subscribed to in YouTube Gaming, will also appear in regular YouTube.
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
This sounds related to a recent YouTube Gaming subscription update: https://goo.gl/zfgfC4 . Now any channel you’ve subscribed to in YouTube Gaming, will also appear in regular YouTube.