This article seems to fall short in an important way. You need to know what types of video you are making to make recommendations. If you are making short(5-10) minute videos for youtube from your cell phone, the recommendations here are overkill.
I suspect that many novices are going to be near that level.
When talking about hard drives a raid is only necessary for certain resolutions and formats.
A single drive high performance solution, like a WD black 2tb, is just fine for a HD much HD work.
The AMD vs Intel comment is baffling at a novice level.
A good gaming rig will let you let you edit a lot of types of content, without having to purchase additional gear. It's far more important to get started and learn the software you are using then to have a higher spec machine.
I have a old macbook pro, a Xeon professional machine and a AMD 8120 gaming machine. All of them are fine for home editing tasks of iphone footage for dvd's or youtube videos,
The amd will handle medium size projects, certainly student projects. I suspect that it could handle professional work since so little of that is cpu bound,
Some solid recommendations on packages would have been more useful and make a bigger impact on editors to be.