The paradox is that fetishes are boring in the conventional sense but can also open doors to other kinds of form when the artist is imaginative. There's a rigor that seems completely arbitrary to people, but I find the arbitrariness interesting and amusing.
It's the sort of thing that makes Henry Darger and A.G. Rizzoli fun and Hans Bellmer and Unica Zürn interesting.
And then there's the whole issue of coded sexuality, which often makes the texture of the writing interesting in other ways (Proust, Stein, Roussel, Ashbery).
The more we acquire, the greater our chance of disappointment. Less is not only more. It is also more fulfilling. "Schmuecke dich, O liebe Seele."