They don't directly care about CRE. But their wealthy friends (and most likely most F500 CEOs) own or are invested in CRE. By convincing all their CEO friends to force RTO, they can boost the CRE. Also some of biggest companies are effectively invested in CRE because they built huge campuses and while those are technically owned by others, they are in super long term leases which require them to have a certain number of people there every day, as well as local tax breaks that they get for having a certain attendance.