Dear @TeamYouTube, this is just a selection of the videos your app recommends to me on the home page. I speak none of these languages. Please make it stop.pic.twitter.com/2ieeh54FZR
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 do the "not interested" thing all the time but there's no option under "tell us why" for "I don't speak foreign languages". And it doesn't seem to make any difference anyway.
There's a known bug on the Android player at present, YT say they're trying to fix it.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.