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You know you've made it as a senior dev when you can turn a simple sendEmail() function into an architectural masterpiece featuring AbstractEmailFactoryProviderInterface, EmailStrategyPattern, and probably a few design patterns that don't even exist yet. Why write 10 lines when you can write 10 files? The junior dev just wanted to send a password reset email, but now they need to understand dependency injection, IoC containers, and the philosophical implications of SOLID principles just to change the subject line.
Nothing screams "enterprise-ready" quite like wrapping basic functionality in enough layers that you need a PhD to trace the call stack. Meanwhile, the production server is still running that one-liner PHP script from 2009 that actually works.
