That's not a betrayal but facts they thought one Super Soldier couldn't win the war but could sell bonds which the Senator wasn't lying was the most important part to the war effort for victory. Real world example in the Navy the most important ships weren't destroyers, battle ships, or aircraft carriers but Liberty Ships which were cheap and easy to mass produced being built in weeks and even days in some cases the Liberty Ships were literally being produced faster the Germans could sink them and thus getting supplies to the soldiers all over the globe.