Earlier quoted context omitted.
Propaganda can be entirely factual. In fact, the best propaganda is.
I think you're being sarcastic, but just in case you're not > Propaganda is the deliberate, systematic manipulation of information—including facts, half-truths, or lies—to influence public opinion, attitudes, and behaviors toward a specific cause, ideology, or agenda.
If you think "propaganda" is defined as something being lies, then you have misunderstood the word.
Product advertising is the most widespread form of propaganda. And in some non-english countries it is called "propaganda" and not "marketing".