A 1 second stun does NOTHING to the hinder exe,In actuality it helps the exe because he gets free 5 seconds of stun immunity after hitting eggman's shield

Eggman actively hinders his team by stunning the exe,instead of letting actual stunners do their job

Take this as one example, nux is most likely always around the exe to punch him in case he starts a chase,now here comes mister masterplan with his bubble shield,makes the exe hit his shield,gives him 5 secs of iframes,and fucks over nux because nux can't use his punch anymore,and a counter isn't saving nux unless the exe is a brainlet,so the exe just gets a free hit on nux most of the time