It seems to me, that the Vherokior shamans are the one that are equated with being mystics, not Matari shamans in general.
Indeed, but do you have any evidence for Minmatar shamans who are not Vherokior males? If you do, I'd really like to see it.
(Most people I know play that there
are shamans who aren't Vherokior men, but as far as I can tell that's non-canonical. Also, even if you have your own shamans it sounds like you need a Vherokior to handle the serum and mystical spirit guide aspects of a Voluval.)
Nothing that they do, though, seems to point to them as adherents to a mystical theology or philosophy, that is one that revolves around the experience of mystical union or direct communion with ultimate reality, divinity, spiritual truth, or God or something alike.
If there's a unifying feature of Matari religion I see it as the pursuit of
religious ecstasy. For me, this fits with both the mystical and the shamanistic angles. It's supported by the Raafa-Kon nightclubs and sacred sex (
The Empyrean Age), and I'd argue also by the journey-hunger-drug divining of knowledge and the way forward (
Chronicle: Methods of Torture - The Minmatar - which I believe is about Vherokior, too, given the names and the reference to the Sobaki sands). And other snippets, but my PF-enthusiasm is fading.
It also fits the description of Matari shamans being 'psychomancers'.
I'm not quite sure that we're interpreting that quotation the same way. The shamans read entrails. The psychomancers read ship sounds. (It's not the best name for it...)
This said, I maintain that Matari shamans aren't mystics in the sense of being practitioners of mysticism. I also maintain that one shouldn't call them mystics - especially if not referring specifically to the Vherokior shamans - for clarities sake. As for the Vherokior, it's in the PF so one can say little against it, but that they are New Agey fluff mystics, imho. ;P
That comment does make me wonder, again, about your view of Minmatar shamans. Where does the New Age fluff come in?
I think they are mystics, but I also don't really care what labels other people want to apply to them. If you find it uncomfortable that's no big deal to me. Just curious.