To play devil’s advocate, one could use propaganda by only telling truths. This is done by selective truth telling. Can’t twitter’s selective truth telling be considered propaganda, even if the facts it present are not strictly incorrect?

For example if Twitter decided to annotate people’s tweets about coronavirus with a “fact” about it originating from China, it wouldn’t be untrue, but it would appear such notices would serve some public opinion shifting effects no? How they select what facts and what tweets to even annotate could be used to pushed an agenda through careful selective information control.