The effect of discovering one of her proverbs that is pithy, specific, mostly true or at least belief affirming, and then at a time that seems random makes them seem like supernatural interventions. They asked, if that was the effect of art designed to provoke you, what was the effect of advertising, and can you choose your beliefs? ("Change your beliefs." was another Holzer meme.)
It would be interesting to interview artists who seem to have had foresight like that, and ask how they see it in the present, and whether they have similar insights about the future.
As a designer, Kruger is one of my favourite artists. Her ability to make simple typography mean so much more than just a few words is great and her career is fascinating.