The video does not speak about software patents, but it contains little or no explanation to back the (probably false) assertion that investors cease to invent and people go poor without patents. What the video shows by all means is that patents have -- at least in some people's view -- become American's "intellectual monopolies" that people often refer to.
In addition to the USPTO there is also the EPO, which will hopefully remain more sane. Here is a video showing the EPO. ⬆
We have some reasons to suspect that one of several parties (possibly not in the UK but having connections here), having suffered major and very expensive setbacks, may look to harm the messenger one way or another
Could the FSF not find any law firm that, in addition to talking about or for Free software, does not use .NET, OOXML, and almost everything Microsoft?