I would expect them to get onto the gold dinar and the silver dirham, and they do. It is not particularly the invention of any one ‘reformer’ of Islam, any more than the corresponding sort of Alex Jones gold & silver type thing (expecting the $ to go straight back to hell, where it came from) was invented by any one ideologue here. Presumably the followers are so hypnotized by the sunlike or moonlike glow of gold and silver, they think Allah just dropped it from the sky:
Niqnaq 