https://marco.org/2008/03/24/mediocre-hires-hurt-you-twice-they-get-less-done
Mediocre hires hurt you twice: they get less done, but they also make you big, because you need more of them to solve a given problem.
— You Weren’t Meant to Have a Boss, a great Paul Graham essay that you should read. (via jnunemaker)