“Organizations which design systems (in the broad sense used here) are constrained to produce designs which are copies of the communication structures of these organizations.”
Melvin Conway, How Do Committees Invent? (1968) · Third-last paragraph; the thesis statement · read it
Kept in its original wording, which is stronger than the slogan. Not tend to, not often: constrained. If the architecture you want needs two teams to talk and they do not, draw the org chart first.