This sort of advice works well for small companies (where employees will wear lots of hats), or certain jobs in big companies. But for a lot of jobs, increasing sales or reducing costs is not the point--at least not directly.
If I'm hiring a graphic designer, a resume full of monetary claims is going to look like vague fluff to me. Instead I want to see a portfolio, because the result I am looking for is really great graphic design. It is my job as a manager to understand how that might fit into our product cycle and business model. But it has to start with demonstrated talent at the skill I need to fill.
I'd been theorizing that some of the baffling responses here are the result of folks are seeing the world purely through the lens of a specific type of company.
If I'm hiring a graphic designer, a resume full of monetary claims is going to look like vague fluff to me. Instead I want to see a portfolio, because the result I am looking for is really great graphic design. It is my job as a manager to understand how that might fit into our product cycle and business model. But it has to start with demonstrated talent at the skill I need to fill.