On jargon
There’s a time for professional jargon: when you know you’re speaking to an audience that understands you, and you need the extra specificity and precision that jargon can provide. If you’re using it outside of that situation, you’re probably not communicating clearly, honestly, or effectively. Jargon isn’t really the problem here, though.
The problem with the copy on this page—and so many others that promote information products—is that it’s not saying anything. Misplaced jargon, buzzwords, and other kinds of fluff rush in because the lack of conveyable meaning creates a vacuum.