Come on guys let's give Zenny a break. Many of us never took a workshop and taught ourselves the process. Zenny is also not located in the US so his access to American workshops is probably quite limited.
And though I'm not sure, I don't think English is his native language so we maybe interpreting his comments too literally.
Personally I think people will benefit more from workshops if they have at least dabbled with the process or technique they are curious about. What's the old Dylan line? 'There's no success like failure ...'