I believe you are missing the point of defaults.... which is to provide as complete environment as possible out of the box.  Since this is a KDE spin, we should be providing as complete of a KDE environment as possible.   Users shouldn't be required to go on a treasure hunt to seek out available KDE applications.  If you don't want to use a KDE default you can easily either go into settings and change the defaults, remove the package you don't want, etc.