That is where these apps become useful. Most of the messages pushed by these apps are not positive messages about the candidate - instead they are negative messages about the opposition .
The key is to always keep your voters eager to vote. In fact, I would argue that democrats need this kind of an app much more than Republicans as their voters are much more fickle.
Even outside politics, it allows a malicious actor to target their ads to vulnerable targets (whether it’s kids for scammy “games” full of in-app purchases, dubious “medication” for sick & desperate people, or malware to non-tech-savvy people) while flying under the radar of those who would be able to fact-check and call out the scam.
Furthermore we already know different "better" advertisement models.
I'm not following US politics close enough to know anything about it. But why should the democrats try to push an person into power which might have memory problems caused by age??
Or: short video snippets with little context tell little about anything
Links, please? DDG turns up only these among credible sources:
https://www.politico.com/news/magazine/2020/03/07/2020-demen...