Designing for omniscience leads to systems that assume users possess complete knowledge and competence. This mindset can cause significant issues, particularly in sectors like healthcare and finance, where the consequences of mistakes can be severe. The author highlights personal experiences with a healthcare portal that blamed users for its own failures and noted that many medical software systems are outdated, relying on old technology that complicates user interactions. Users often lack the knowledge to navigate these flawed systems, which can lead to serious problems, especially for vulnerable populations. The article also cites a notable incident where a video-on-demand service inadvertently sent a blank test email to six million subscribers. This mistake stemmed from a lack of effective feedback mechanisms and fail-safes in the system, which assumed the intern sending the email understood the implications of their actions. This reflects a broader issue in software design, where systems give users excessive freedom without adequate safeguards. The absence of role-based access control means that inexperienced users can inadvertently trigger actions with wide-ranging consequences. In financial transactions, the risks are even more pronounced. For example, a financial institution faced a potential disaster when its system allowed a massive wire disbursement due to a flawed interface. This incident underscores how speed can take precedence over user protection, leading to catastrophic errors. Without clear warnings or confirmations, users might execute transactions without fully understanding the stakes involved. The article emphasizes the need for more thoughtful design that acknowledges human limitations rather than assuming omniscience.