This guy does not know what he's talking about, at least not always. Example: His use of Edward Snowden's PRISM slide. He claims that Microsoft and many other providers have cooperated with the NSA and provided data to the NSA, and singles out Microsoft for particular scorn as having been the first one. This statement is false. What really happened is that starting in the early 2000s, the NSA (and presumable other agencies, in particular in countries other than the US) tapped communications lines within the systems of the large providers (often with the willing help of telecommunications companies, AT&T in particular), and were able to obtain content from the providers such as Microsoft (hotmail!) without their consent.
If you follow his advice to not do business with any company that supplies the US military, US intelligence agencies, or the US immigration system, you might as well become Robinson Crusoe and move to an island by yourself.
And all this discussion about GitHub is pointless anyway. The FreeBSD source control system doesn't rely on GitHub, it just places a copy of the source code on GitHub. Given that FreeBSD is freely distributable, anyone else can download the source code and place it on GitHub themselves, as long as they leave the copyright notice intact.