From your Wikipedia link about the meaning of the Word Apostle: “The term [Apostle] is also used to refer to someone who is a strong supporter of something.[5]

From your Wikipedia link about the meaning of the Word Apostle: “The term [Apostle] is also used to refer to someone who is a strong supporter of something.[5][6]“ So I would call many people and myself (as someone who started studying Computer Science with Assembler and Modula-2) Apostle of simplicity. No need for techno-classism.