WCIGAWW? Can an adjustable laptop cart replace a sit/stand desk?

By now you’ve surely heard about the health benefits of standing at your desk. But standing desks can be cost prohibitive. Can you get away with an adjustable laptop cart? Pictured in my perennially referenced Nickel City Pixels Workspace II video (as seen on lifehacker.com) is the Adjustable Laptop Cart by Studio Designs. Extending to