It’s possible. It’s also possible they made up those guys. It’s also likely that if they didn’t make them up, they fudged the details or sweetened the story.
The exhortations of these ads get wearisome after a while. When the ad puts “More than he promised” in quotes, you suspect it was one of those official phrases that floated around for a while, urging people to redouble their efforts or work longer shifts.
Knowing Americans, they probably turned into a sarcastic jibe within two weeks.