A commenter to an Article I just read, wrote:

Almost wondering if this is the onset of the death of democracy and its replacement by ad-campaigners who believe the voting public can be persuaded to go with anything provided enough fake propaganda is thrown at it. Is this modern democracy?

This triggered me to write something that I've been mulling over for a week or several in odd moments. So I replied

The ad campaigners don't believe; they know. 70 years of experience under their belts and now social media have handed them the tools to begin to really target advertising. It's still playing the odds but upping the likelihood of responses they hope for.  Our difficulty as populations subject to this is how to think about our own agency. We're too used to thinking of ourselves as in control and not sufficiently aware of subliminal and unconscious drivers. 'Of course, I'm not persuaded by advertising'. Well, maybe not directly but over time background opinions shift, we tend to mirror or move towards what we perceive 'people like us' are thinking/approving/accepting. It's a long game, but then the Murdoch press have being playing it for what? -30 or 40 years? Add to that the new toolbox from the people who take up the market slack from Cambridge Analytica. We all need to learn how to practice mental and emotional hygiene in a advertising age.

I think too that we need to find a way to talk in popular discourse about the fact that advertising does in fact change minds or influence opinion without making it sound like someone who does respond is an idiot and doesn't know their own mind. It's clear that statistically, advertising and targetting it does work but it's not 100%. Certain percentages of people are likely to follow up certain kinds of advertising and to be influenced by certain messages relayed and spun in certain ways. We need to find ways to enable people to be more aware of how this happens and to step up our out-smarting smarts. Many have got quite good at spotting 'crude' and direct sales pitches. We now need to get good at spotting and discounting the subtle.

Somewhere in all the comments in the Times article you can find the originals. Times is paywalled, but you can see a couple of articles a week free.