Hogwash (Score 1)

In 1914 General Joffre, commander of the French forces, refused to use the telephone...

There are numerous references to Joffre using the telephone, such as this one about the Battle of the Marne in 1914:

In contrast to these difficulties, Joffre remained in close contact with his subordinates. An advantage for the French came from their falling back on their lines of communications and their relying on the telephone. While Moltke issued no orders from September 5 to 9 and received no reports from his First and Second Army commanders from September 7 to 9, Joffre maintained contact with his army commanders via telephone (even though he preferred written messages). The French also gained very valuable information from intercepted wireless transmissions.

One can understand that written messages have an advantage over orders issued verbally since they are less likely to be confused when they are relayed or remembered. For a similar reason, email messages today have an advantage over the telephone calls.