The maps aren't suppose to replace the original map, they're just here as an alternative. So you can use it at your own will.
Yes, there is quite a bit of quality loss and it may seem cartoony, however there is something quite useful that this can be used for. For me at least, I've always found the original image difficult to manipulate because it's so small. So you have to blow it up, but the quality is greatly reduced. Which lead me to retracing my map images and finishing it all off in paint. With the vector version of the map, I could seemingly indefinitely zoom in, and retain the same quality. Although which method (expanding the original image, retracing, or using the svg) is better, depends on your taste and the result.
An SVG image is basically an image that loses very little information when you make it bigger or smaller ; it's probably most useful for things such as logos and flag designs. It can also easily be used if you wanted an easy and fast way of generating a map close-up, while keeping the image relatively clean. The website I used,
VectorMagic, also allowed me to specify colors, certain details, and allowed me to edit the picture and save it afterwards.