The onus is on YEC to dispel the evidence that directly contradicts the premise of a Earth less than 4.5 billion years.
"You were not there for the beginning. You will not be there for the end. Your knowledge of what is going on can only be superficial and relative" William S. Burroughs
They also took some inspiration from Nietzsche "will to power". Much of the intellectual elite Germans where bombarded by the propaganda of supremacy. One can only take so much Wagner before one snaps.
"You were not there for the beginning. You will not be there for the end. Your knowledge of what is going on can only be superficial and relative" William S. Burroughs