This article is essentially "I didn't understand something after spending 15 minutes (or so) on it, and here are my criticisms of how I speculate this might work."

You know, fair enough. But if you as the reader want actual knowledge you can read the docs and code yourself and spend more than 15 minutes (or however long it was, but not long enough to have accurate info for sure).

There are hundreds of people and packages using dbus after many similar technologies were tried and didn't catch on. A curious person might ask why.