Why is there a Bernie Sanders ad when I m scrolling through this sub

agipe34 Magic1:14 am Wed Sep 11 EDT Removed

Is this happening in every sub, or specifically this one? I switch from hot/new and it pops up every time. With r/nba logo on top left: https://imgur.com/gallery/J8BtB2E How it looks scrolling through hot: https://imgur.com/gallery/7kNym67