I find that there are many anomalies in RF theory. For example, Maxwells
Equations show reflection at a boundary where current flows in the metal
surface down to the skin depth. Books then state that this boundary
condition applies to waves guided by two wires. The wires therefore sort of
reflect the wave and guide it. Power flows as the Poynting vector.

Current can be a flow of electrons or holes. If the current in a P type
semiconductor is holes, it is a flow of emptiness or nothing.

Current is normally said to be the flow of electrons. The electrons actually
move very slowly with a drift velocity of a few mm per second. The signal
part of the current that flows near speed of light is the electromagnetic
wave that flows in the area outside the conductor.

There seem to be a number of disputes in RF e.g. about the effectiveness of
conjugate matching with Walter Maxwell refuting articles in his book
"Reflections".

RF seems to be a black art e.g. when it comes to S parameters, network
analysers, phase matching and batch matching of cables. Little seems to be
written down.