It's not that management is unimportant; far from it, but it is at times like this (crisis/massive change) that good leaders come to the fore and make a difference. Here's a useful article by HBR on leading through a crisis: https://bit.ly/3dRopD3
I would add that a key requirement is the need to be decisive (not rash!). Pushing into the unknown means that mistakes will be made, by you and by your teams. Acknowledge them, learn from them and move on.
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