He's a kerotan alt, get him!!
I agree though, loads of football fans do salutes like that. It shouldn't be banned.
Dublin fans do it all the time. https://www.google.ie/search?q=Dublin+fans+come+on+you+boys+in+blue&client=ms-android-h3g-ie&prmd=inv&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiEtNaV8e3LAhVI6A4KHUSCBI0Q_AUIBygB&biw=360&bih=511#tbm=isch&q=Dublin+fans+hill+16&imgrc=gkrHcJ98TOeXoM%3A







