Software patents are entirely useless if you want to implement what is described in the patent. Even the best intentioned patents are too vague and generalised

Software patents are entirely useless if you want to implement what is described in the patent. Even the best intentioned patents are too vague and generalised to be of any use at all. And the patents filed by trolls are a mix of outlandish unworkable misleading claims, and bald-faced gibberish.