Scientology and Dianetics

When I was recently in London, I was stopped on my way back to my hotel by a man. This man asked me and my friend to come inside and watch a short film.
Hesitant, I decided that this large, expensive-looking set up of televisions could not be overly dangerous; but I was still reluctant. I asked as to what exactly the video was about and he replied: "Dianetics". I've had previous experience with people trying to flog me this idea of unlocking the potential of the mind, and to be frank, it's complete and utter bollocks. I'm also still confused as to the link to Scientology as all of these quasi-salespeople seem to infer between the two.

Seems to me, it's a massive scam simply to make these people some money- and fair play to the people who started them, it seems to work in their favour. Still, how does any *religion* start these days. I mean belief, obviously, but I simply wanted to highlight (no matter how ridiculous the idea is) that any system such as this is likely to be scoffed at by people who blindly cling to their ancient faiths, simply because it's new. Food for thought.
So, I decided to give this video a go. I must say, it seemed to have been professionally done and was a decent enough effort. On the other hand, I remain convinced that it's completely, ridiculously, ludicrously, false.
This man who brought us in to watch the video seemed almost disappointed we weren't interested after watching the video- he even offered to show us another video, on another expensive screen. But, it's probably because he works on commission rather than through any meaningful belief in what he's preaching. Sceptical?
Yes. Justified? Probably. We left.

 I apologise for the Americanised spelling on the picture.