Even Hitler seemed to surrender to the idea of a long struggle, since the prospect of sending tanks into such a large city without heavy infantry support seemed risky after the costly capture of Warsaw in 1939.
Selv Hitler lod til at have opgivet tanken om en lang kamp, siden udsigten til at sende kampvogne ind i en så stor by uden kraftig infanteristøtte forekom risikabel efter den kostbare belejring af Warszawa i 1939.