They need a controlled demolition of certain pillars of the economy. To frighten the public into accepting new collectivist and authoritarian models like the “Shared Economy” (where you will own nothing and like it), they will need a large and semi-chaotic disaster. People would have to be threatened with the loss of certainty, unsure each day whether they’d be able to get necessities like food and fuel when they need them.
This level of uncertainty drives calls for solutions, and the globalists will be there to offer their pre-planned objectives and “save the day.”