Originally Posted by peterbbb
Why would they do this?
They were supposed to do this for all the open source code they use when the device was released. Some vendors won't do this without the threat of a lawsuit. This does not generally happen with Linux, but the authors of BusyBox are more active in protecting their copyright and have actually sued several times. So far as I know, all these suits have been settled before trial in favour of BusyBox - since this isn't a grey area of copyright law and the infringer's would certainly loose at trial.