(1) RTO can be used as an excuse to fire employees, especially the older, higher paid ones who moved away from city centres or are reluctant to move back.
(2) People have investments in commercial real-estate, and forcing RTO is a way to profit from those investments even if it immiserates the workers (article discusses this point).
(3) Cities offer tax breaks to encourage businesses to move, on the basis that the workers will use ancillary services (transport, restaurants, shopping, etc). If the tax breaks go that will negatively affect the companies. If the ancillary service businesses go that will negatively affect the city's revenues.
(4) Bad middle managers feel they lack control if a worker isn't present.
(2) People have investments in commercial real-estate, and forcing RTO is a way to profit from those investments even if it immiserates the workers (article discusses this point).
(3) Cities offer tax breaks to encourage businesses to move, on the basis that the workers will use ancillary services (transport, restaurants, shopping, etc). If the tax breaks go that will negatively affect the companies. If the ancillary service businesses go that will negatively affect the city's revenues.
(4) Bad middle managers feel they lack control if a worker isn't present.