Google asks its employees to spend 20 percent of their work time to basically design stuff that doesn't have to be accounted for by any data. I assume that they

Google asks its employees to spend 20 percent of their work time to basically design stuff that doesn't have to be accounted for by any data. I assume that they get a steady input of raw design that way, and that they are not dangerously impoverished there, or in danger to become so.