Blackrock/Vanguard/etc are two of the worlds largest "investment" firms. The control VAST amounts of capital, and a large number of the "bigbox" retailers, etc. Part of the purpose of the "plandemic" was to bankrupt people so assets (i.e., land, patents, etc) could be "purchased" for cents on the dollar.
This document, published in 2019, discusses how to 'co-ordinate' polices, etc if every such a 'unforseen downturn' was to take place...