Why the hell is the escalator at 777 Bay in opposite order?

at777Royal Air Maroc VOL AT777 de Paris à Casablanca. Performances de ponctualité, statistiques sur les retards et informations sur les vols pour AT777Flht AT777 from Paris to Casablanca is operated by Royal Air Maroc. Scheduled time of departure from Orly is 08:00 CEST and scheduled time of arrival in Mohammed V Intl is