I apologize in advance for the lengthy post but bear with me...
In line with the happy wife, happy life theme, I do understand the aesthetics issue but at its heart the bike is a machine that can delight or disappoint long after the initial 'new and shiney' attraction has worn off. Aside from odd fenders and a low battery capacity there are a few other considerations where this bike might disappoint.
The brakes appear to be mechanical disc brakes, rather than hydraulic. These will work about as well as a good set of rim brakes but the higher weight of the ebike will, IMO, make the brakes seem inadequate. They also require more periodic adjustment to keep them performing. I'd strongly recommend brand name hydraulic brakes for their self-adjusting feature and better stopping power.
Lighting is an issue everyone on abike should seriously consider, even if you don't plan on riding at night. Daylight running lights should be the minimum esp if commuting is being considered. Cars have a difficult time seeing bikes, esp when there are shadows or dim winter lighting. This puts the cyclist at risk. Lighting is one of the most effective ways to get a motorist's attention. I can't say if the included retro style headlight is useful for this, but it really should be. A headlight with a flashing mode is particularly good for daylight use. As a minimum there should also be a bright tail light.
The rack seems generic, perhaps even dedicated to the cargo box? A more flexible rack will in time be the best choice. Racktime and Topeak both make racks that accept their wide selections of bags and accessories that are easily removable. My wife particularly likes the
Racktime Agnetha Bag for trips to the market esp since it can be carried as a shopping bag.
As a final point I'd be concerned with the long term serviceability of an ebike from a small builder, unless you're interested in doing this work or have a LBS that will take this on. Everything from flat tire repair to chain maintenance and brake pad replacement will be needed on a routine basis. Eventually battery, controller, and motor issues will arise. A brand name bike can keep these issues at the dealer.
So what to do? Perhaps with these issues in mind, and others posted earlier, your wife might be convinced to look at alternative ebikes. There are quite a few quality options available but one my wife liked is the
Specialized Como 3 step through. I get that it costs more, but it hit all the buttons for my wife. I liked it for the effective running lights, hydraulic brakes, functional fenders, larger battery, flexible rack system, and the support avaialble from the local dealer.
Best of luck with the chat with your wife.