If I had to guess, it's overzealous middle management layers wanting to show Jamie that their teams are proactive and doing more than the minimum. You know, because of their exceptional leadership qualities.
We have roughly about same announcement. It is confounding to hear "You all did great working from home. Now be back asap to work and meet face to face." Apparently working via slack/webex from office is vastly more productive than doing same from home.