I didn't link anything about superconductivity in this thread. Could you be more specific, please?
Axil's post that you quoted contained, "the whiskers provide a one direction superconductive current flow ..." in association with SPPs on whiskers. As I said, superconductivity is useless at high frequencies which includes SPPs (the Meissner effect is a DC effect). Given the extrapolations of room temperature superconductor behavior based on performance of high temperature Type II superconductors (80-100K) compared to Type 1 superconductors (4-40K), it is not hard to understand why RT superconductivity would be hard to detect. The extrapolation suggests that room temperature superconductors would be worthless in ordinarily conceived uses. There may be new uses for a RT superconductor, but its properties will be crappy compared to what we think of as superconductors.
Sometimes I think Axil's posts are coming from a computer that has access to physics books - where the computer makes up ridiculous stories from clips in the books. That computer would not pass the Turing test.