I'm not from a faith that likes to advertise, so I find it a bit odd. Still, I understand the idea that people have what they consider profound and uplifting information and want to share it.
But the Eckankar ads, like many of the previous Scientology ads, are vague. Why not at least lay out basic beliefs if you choose to advertise? Heck, even Christian churches tend to do so when they advertise, even though everyone has heard of Christianity.