No I didn't watch the video. I don't have time to watch video.
"Find out why the heck they are using Macs" sets a tone that says, "Why would anyone ever do that?" That's lame. And there's no "paranoia" here. That word doesn't even fit the situation. Do you know what it means?
Platform religion is lame and tired. I don't care if it's for OS X, Linux, Windows, .NET, Java, Ruby or whatever. You use the tools you like that fit the situation.