However, Germans were hamhanded in their propaganda while the British were brilliant at Psyops. Also, the Zimmerman telegram (which promised Mexico that they could get the SW US back if they came into the war on the side of the Germans) and Unrestricted Submarine warfare brought America into the War on the side of the Entente'.
And then there’s the German pioneering use of poison gas.
Yes, American support for WWI is overstated today. Midwestern Progressives led the opposition to American involvement. Wilson actually campaigned on keeping America OUT of the European war.