Why Annie's splash art is used for Twitch.tv?

It feels weird to make people think of Annie when they see the logo...and i liked the old one more. https://oce.leagueoflegends.com/sites/default/files/styles/scale_large/public/upload/art/riven_v_shyvana_1920x1080.jpg?itok=jVn5Nrq6