You somewhat miss my point. As I say did Mellor and Wardy really play as a two or could it be conceived that one played further forward, say Mellor and Ward made his darting runs off him, thus coming from what now would be 4411 formation. Therefore even back then we didn't have a 442 or did we...
Point is the much maligned 442 was used successfully very recently by a top side. Somewhat proves your post is wrong.
Further more in regard to any of these modern formations are they really any different from old ones. Did Ward and Mellor play as a front 2 or were they part of a 3 man front...
No of course not. Never again would a team use 442, oh https://defendingwiththeball.wordpress.com/2014/04/30/carlo-ancelotti-shows-flexibility-again-with-442-shape/