Dummiesman OBJ Importer Scale is not default,OBJ Loader loading scale as (-1,1,1)

I am wondering why the Dummiesman OBJImporter loads in new gameobjects with a scale of (-1,1,1)? Is this a typo or is there a reason for this?,Runtime objloader by Dummiesman loads in the gameobject with the x-scale as -1. I am wondering why this is the default?