The Short Version
Some anti-Party disinformation activity on Vietnamese social media is plausible and documented in specific incidents, but the claim's framing is materially incomplete. Nearly all supporting evidence comes from Vietnamese state agencies or state-controlled media with strong institutional incentives to characterize dissent as hostile disinformation. Independent sources document that the Vietnamese government itself — through Force 47 cyber troops and punitive fake news laws — is a primary disinformation actor. The "particularly targeting young people" element lacks independent verification. The claim presents a one-sided government narrative as objective fact.