DRY is probably my least favourite programming meme. There are far too many overzealous juniors who learned it and have a bee in their bonnet about creating absurd abstractions around any two lines of code (or config) that have vague or imagined similarities, locking in all sorts of annoying indirection.
[1] https://www.youtube.com/watch?v=0FIZn2trkoA&pp=ygUXbWljaGVsI...