Byzantine

NUDGE by R. H.Thaler and C. R. SusteinのImproving School Choiceの章を読んでいます。
When parents pick schools, status quo bias plays a big role. The neighborhood school that one knows, failing or not, may be preferable to the unknown school half an hour away. In any case, the Byzantine nature of collecting and distributing school data makes it difficult for parents to think through their options.
"the Byzantine nature" がいきなり出てきて、これは何？　ビザンチン帝国・時代と何の関係があるの？
何か特別な意味があるなら辞書に出ているでしょう。
・Macmillan Dictionary: complicated and difficult to understand: the byzantine power structure of the old department
・Merriam-Webster's Online Dictionary: often not capitalized a : of, relating to, or characterized by a devious and usually surreptitious manner of operation: a Byzantine power struggle b : intricately involved : labyrinthine: rules of Byzantine complexity
・Vocabulary.com: highly complex or intricate and occasionally devious: “the Byzantine tax structure”; "Byzantine methods for holding on to his chairmanship”
なるほど、この意味は複雑な模様のビザンチン芸術から発生した様です。
・Online Etymology: originally used of art style; later in reference to the complex, devious, and intriguing character of the royal court of Constantinople.
考えて見ると、政治、経済はもちろん人間社会はビザンチン様式であふれていますね。