The real reason CEOs want people back in office is 100% because they are broadly part of the same socio-economic class that owns the vast majority of commercial real estate around the world. They and their friends and family own all the commercial real estate, and high vacancy rates are are hurting their bottom lines and reducing the rate at which their property values increase, so they want people back in the office to prop up their property values and keep the commercial real estate graving train flowing.