Yes south African president did want the meeting and came right out denying the genocide, the trap was set, video evidence set up before hand contrary to the claim, that Trump shared after the denial. So yes in a way it was an ambush, but in a good way. The media was also trapped into reporting on it. The ambush narrative is just schematics to distract from the truth of the genocide going on.
https://www.overtonnews.com/p/the-media-called-it-an-ambush-but?r=4t5cs3&utm_campaign=post&utm_medium=web&showWelcomeOnShare=false