Someone predicts that a stock will skyrocket in price over the next few years. So, its initial price when it goes public is very high. Because it is so high when it is first available, not only does its price not skyrocket, it hardly goes up at all. The prediction that everyone acted on is made a lie.
Someone predicts that a company is over-priced, so few people buy it when it first goes public. Its initial stock price is very low. Because it started so low, its price rises over time as it performs okay and investors who bought when it first went public see a good gain. The prediction that everyone acted on is made a lie.
Experts warn that hundreds of thousands of Americans could die from a pandemic. They are taken seriously, special measures are taken (people stay indoors and interact with almost no one), and the experts' dire predictions do not come true. The prediction that everyone acted on is made a lie.
Advocates for life as normal argue that the pandemic is overblown and we should go about life as normal, ignoring the panicked advice of so-called experts. They are taken seriously and hundreds of thousands of people die from a pandemic. The prediction that everyone acted on is made a lie.
Predictions and policies here in the US will be volatile. To make it even more complicated, the predictions will change what happens - in the opposite direction of what was predicted.
What is my prediction? Our behaviors, policies and the predictions about it will look like a murmuration of birds.