I guess you can always argue for _more_ of whatever angle you prefer, but it's right there at the start of the article. It's even mentioned twice in the same paragraph.

>The thing you should understand about Apple’s home repair process is that it’s a far cry from traditional DIY if you opt for the kit — which I did, once I saw the repair manual only contains instructions for Apple’s own tools. (You can just buy a battery if you want.)