1st formation matters nothing in the game of T11.
2nd His opponent was not playing with wingers upfront(i.e he had no ML, MR or AML/MR)
remember he said real life, and I agree with him. 3DC without 2 DML and DMR would be suicide in the EPL. but you cant rely on wingers upfront to track back and play defense. and you are correct, formation means almost nothing.