The gorn's are created by Fz and has something to do with to order of things or something like that. I looked it up a couple of times... they don't really seam to cause a problem. I sometimes delete them by creating a filter in notepad++... I don't know where all the extra g's come form. It is annoying, especially when they are about 10 layers deep. The transform comes from Inkscape; your image was rotated or transformed in someway. We ran across this before, When the transformed the surrounded entire copper group was removed, everything worked great. I believe he removed with Inkscape but I don't know how he did it.
All those added g's may be from your XML formatting... I never checked it so I am not sure. In Inkscape, click Edit / Preference, then under Input/Output / SVG output, under XML formatting, check the box next to Inline attributes... That may be the culprit... It would be interesting to find out... I believe there is also away to get rid of all that metadata at the top of your SVGs somewhere in one of the settings in Ink.