DRY isn't very dangerous. It's not telling you to spin off a helper that's only used in one place. If a ton of logic is in one function/class/file/whatever, it'

DRY isn't very dangerous. It's not telling you to spin off a helper that's only used in one place. If a ton of logic is in one function/class/file/whatever, it's still DRY as long as it's not copied. Premature abstraction is a thing. Doesn't help that every CS course kinda tells you to do this. Give a new grad a MySQL database and the first thing they might try to do is abstract away MySQL.