they just stumbled into being on the same page

KIllmonger was all but CIA so he was mostly just a vehicle for giving them the heads up and NOT DYING (as a means to not make the same mistake his father did - they could have probably saved Erik's father by taking him back instead of retreating back into extreme isolationsim)

I get that the symbolism can be a problem but the enemy of my enemy is my friend is not copyrighted by the CIA and Wakandans wouldn't have any motivation to avoid their assistance stateside like Erik would have