If you hit the 3 dots in the bottom right you can get "Don't recommend channel" (in Android app at least)
I have clicked don’t recommend channel and gotten recommendations from it immediately after when I refresh my feed. Many times. It’s useless
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
I have clicked don’t recommend channel and gotten recommendations from it immediately after when I refresh my feed. Many times. It’s useless