This films was made in the 50`s but its message is still clear: Be afraid of anyone who sells easier things. Read between the lines.
Is it "propaganda"? No it is the truth. All democracies must be aware of the size of their own State. Sometimes the "contract" is not so clear for everyone to read first. Specially be cautious from anyone who claims to be a "Do-Gooder".. They want you to become an "Useful Idiot".