Because I don't know enough to properly inform you of what is what and rewrite this article, but rather, know just enough to complain on Hacker News :D (aka,

Because I don't know enough to properly inform you of what is what and rewrite this article, but rather, know just enough to complain on Hacker News :D (aka, know just enough to note that this is not a very good "DMA in a nutshell" for those seeking to actually use it, and without contextualizing the limited space in which this even IS correct info...) I'm not claiming DMA expertise, hence not writing/posting articles about it. See my posts as a warning rather than scornful.