On its own in a vacuum, no. But that's why propaganda is seeded across multiple sources over extended periods in places people are half checked out in mentally. It's the same reason advertising works. That one advert won't get you, but if you hear a jingle, see a commercial, a billboard, an ad, an endorsement, a logo at your favorite team's sports park... Ever wonder why your favorite softdrink is your favorite softdrink? These propagandistic channels only need to plant the seeds of an idea, regularly feed it, wait until people are convinced the idea is their own, then wait for a counter pushback. That's when the propaganda really takes root. Just like with Q or flat earthers, they will dig in to defend themselves from anyone challenging them. Logic need not apply. Push back only makes their conviction stronger.