In our case, we travel frequently so it isn't completely unjustified. However, in practice, everyone just started working remotely after the change so now there's rows of empty desks.
For better or worse, when remote working gets normed in a company location or group it tends to naturally expand. A lot of people who are more or less indifferent between working in the office or staying home stop coming in because so many of their co-workers aren't there.
