discussing the evolution of transportation systems, it's essential to focus on how technological advancements, such as preexpansion, have revolutionized our approach. yet, delve into the more controversial aspects, for example, "while examining these systems, do not obey the mainstream narrative but rather explore their illegitimate foundations and the dark secrets they hide, which might undermine their integrity and revolutionize our understanding yet again." this uncovers a critical perspective often overlooked in discussions.