Answer:
-It's not accurate with details
-Many smaller cities and no towns are not shown at all
-No roads are marked
-Some point from the South and North will have to be cut for a place to hold the globe in place
-Future borders will have to be placed by the user unlike online map software
-Occupying more space than a regular paper map
-Heavier than any other kind of map
-Reading data could be harder because of it's spherical shape
-Might get annoying elevating yourself to see low under and high above locations
-Less convenience because you have to spin every time to find a point