Any discussion of Struth's work really needs full referencing, it's easy to say you (or I) don't like it (I'm ambivalent) but without proper critical analysis comments are meaningless.
But a person doesn't have to be crazy to dislike art that can't be understood without "proper critical analysis". If you're of the school of thought that art is communicative, then I think it's fair to be frustrated when a work needs a lot of specialised decoding before it communicates anything.
I'm of two minds on that school of thought, personally. On the one hand, half the fun of communication is in the decoding; on the other, coding that's too opaque creates a hothouse environment in which a tiny group of people are communicating only with one another, and the rest of us are occasionally told by some critic somewhere that we're supposed to like it.
As a big fan of _Finnegans Wake_, I have quite a lot of sympathy with insular intellectual communities that are unintelligible to outsiders. (But a lot of people think the Wake is a nonsensical waste of time, too, and I don't try to tell them they should read it.)
-NT

