Pawn moves are not developing moves.
I don't count pawn moves as developing moves myself. However, I do believe that in a chess.com instructional video entitled 'Counting Development' within which several methods of counting are described, the e- and d- pawns can be counted as developing under some systems.
Directly out of the wikipedia article:
"It is a myth however that the Maginot line ended at the Belgian border and was easy to circumvent."
They went through the forest to the North.
LOL I studied under a professor of war.