
The "UN" force in the Korean War was not a "peacekeeping force". The Blue Helmets are wherever they are to supervise a truce or peace treaty. Not to engage in fighting. Examples of Blue Helmet fails:
* In the run-up to the Six Day War, the Blue Helmets knew Egypt was prepping for war, and skedaddled from the Gaza Strip;
* In Rwanda's slaughter of the Hutu, Blue Helmets were directly ordered not to intervene or to shelter Hutu.
The Blue Helmets were not equipped to be meaningful interveners prior to the Six Day War. Getting out was the correct thing to do, and Israel, ummmmm, took care of Egypt's, Jordan's, and Syria's coordinated massed forces. OTOH, in Rwanda, the Tutsi slaughterers were largely armed with things like axes and clubs. IMO, the Blue Helmets could have done more in Rwanda (though I obviously am not omniscient, and wasn't there).
Then there's the Blue Helmets and UN bureaucrats who use their positions of power to inflict their sexual perversions on the people they are supposedly protecting and aiding. And do so with relative impunity.