Assuming for the sake of argument that this is at all true, is the problem that designers are out to justify their jobs, and making changes as a consequence, or that designers are being put in a position where they have to justify their jobs, and are making changes to satisfy their managers?
If anything, the problem in this scenario is that culturally we need everyone to be contributing all of the time, even for positions that may experience occasional downtime. Let's not assign blame to a particular group when they're simply responding to the pressures put on them.
If anything, the problem in this scenario is that culturally we need everyone to be contributing all of the time, even for positions that may experience occasional downtime. Let's not assign blame to a particular group when they're simply responding to the pressures put on them.