The piece emphasizes that infrastructure represents a tangible manifestation of Enlightenment, consisting of essential elements like pipes, cables, technical standards, and maintenance that hinge on method and reliance on evidence. It argues that sanitation in Brazil serves as the ultimate test for these principles, where denialism manifests not merely as conspiracy theories but as a 'convenient blindness', often intertwined with corporativism and short-term interests. The report highlights the long-known issues in Brazil's sanitation sector, dominated by state companies that struggle to match the investment pace necessary for universal access to clean water and sewage services. These services require significant capital, meticulous planning, and continuous execution, yet political governance often disrupts this process, leading to slow and erratic expansion.