It's like being a junior developer again, blundering through the codebase to fix some problem, which I do through brute-force coding, laser-focused on the goal,

It's like being a junior developer again, blundering through the codebase to fix some problem, which I do through brute-force coding, laser-focused on the goal, heedless of any broader considerations :) LSD has the opposite problem where it's too easy to go down a refactoring wormhole or just get sucked into the internet because you read something on Medium and needed to know MORE.