It’s not meant for oversight, nor is it meant to police anything, even if it is sold that way sometimes.
Spake for thy liberal impotence… you do remember a sample of the peacekeeping missions they did:
The Korean War - 1950s
The Congo conflict - 1960s
Rwanda and Yugoslavia - 1990s
Haiti - 2004-2017
<morganfreemanvoice> and turned it into the Hadrian wall <morganfreemanvoice>