Verdict = wackjob
He's wacked.
Look if the Sun were iron then all main seqence G type stars are too - same spectra and energy output per mass, i.e. they are indistinguishable. If they are ALLl iron stars there hadda be zillions of timely well placed coincidental supernovae to make 'em. Occams razor and nuclear physics say that the guy is a wacko zealot.
Gold is an out of the box thinker who comes up with improbable but still quite possible 9though wrong) hypothethes.
-philw