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Every C# dev knows the shame of reaching for ToString(), ToUpper(), and ToLower() thinking they're being clever, only to watch your app implode when it hits a null reference. The neighborhood is literally watching your code fail in production while you pretend everything's fine.
These methods look so innocent and helpful, but they're basically landmines waiting for that one null value to slip through. You could use null-conditional operators or nullable reference types, but nah, let's just YOLO it and deal with the NullReferenceException at 2 PM on a Friday. The real kicker? You've done this exact thing at least a dozen times and you still forget to check for nulls. We never learn.
