Why Creationists don't realize the biblical Creation is just jewish mythology?

[Belacqua]

So when we look back on any past age with fondness, we tend to see a biased image where enlightenment of lasting value is remembered for their continued utility, and relative fundamentalism is forgotten precisely because they are incapable of making things of lasting value.

I'm curious how you're defining "relative fundamentalism" here. 

Were the builders of Chartres Cathedral in this category? Is it of lasting value? 

Normally "fundamentalism" is considered a modern term. From Wikipedia: 

Christian fundamentalism has been defined by George Marsden as the demand for a strict adherence to certain theological doctrines, in reaction against Modernist theology.[12] The term was originally coined by its supporters to describe what they claimed were five specific classic theological beliefs of Christianity, and that developed into a Christian fundamentalist movement within the Protestant community of the United States in the early part of the 20th century.[13] Fundamentalism as a movement arose in the United States, starting among conservative Presbyterian theologians at Princeton Theological Seminary in the late 19th century. It soon spread to conservatives among the Baptists and other denominations around 1910 to 1920. The movement's purpose was to reaffirm key theological tenets and defend them against the challenges of liberal theology and higher criticism.[14]

The term "fundamentalism" has roots in the Niagara Bible Conference (1878–1897), which defined those tenets it considered fundamental to Christian belief. The term was prefigured by The Fundamentals, a collection of twelve books on five subjects published in 1910 and funded by the brothers Milton and Lyman Stewart, but coined by Curtis Lee Lawes, editor of The Watchman-Examiner, who proposed in the wake of the 1920 pre-convention meeting of the Northern Baptist Convention (now the American Baptist Churches USA) that those fighting for the fundamentals of the faith be called "fundamentalists."[15] The Fundamentals came to represent a Fundamentalist–Modernist Controversy that appeared late in the 19th century within some Protestant denominations in the United States, and continued in earnest through the 1920s. The first formulation of American fundamentalist beliefs traces to the Niagara Bible Conference and, in 1910, to the General Assembly of the Presbyterian Church, which distilled these into what became known as the five fundamentals:[16]