a patched version of cgminer does not mean documentation to the developers of cgminer so they can implement the drivers for said device correctly.
If technobit has the drivers and gives them up in the fork tree of cgminer, unless technobit tells them how to edit and modify the drivers, its up to technobit to implement it correctly. so guess what, when a new cgminer comes out, no updates to the drivers are going to be implemented, any security holes, memory leaks, chip killing code will be present in the next patch and there after...