Earlier quoted context omitted.
Bringing up Section 31 is a good pull! There are many enemies in the universe so Star Fleet is important. To name a few there are The Borg, The Makers, The Cardassians, The Romulans, And even the Klingons who are federation members. War-like cultures would still exist even if the Federation believes they themselves have moved beyond that type of thing.
> War-like cultures would still exist even if the Federation believes they themselves have moved beyond that type of thing. An alternate take compatible with patio11's irreverent theory: war-like cultures exist only in the sense that some cultures have different LARP preferences. Supporting evidence: how did the Klingon Empire (who are not actually part of the Federation) make it through their nuclear age without blo…
Also I thought the Klingons were part of the Federation at one point during DS9 era? Or perhaps that was just an alliance...