Mercedes boss Toto Wolff has criticised some of his rival F1 team bosses for being “up the arse” of Formula One’s when discussing its new commercial agreement in public, only to speak negatively about it in private.Mercedes boss Toto Wolff has criticised some of his rival F1 team bosses for being “up the arse” of Formula One’s when discussing its new commercial agreement in public, only to speak negatively about it in private.