No.

The influx will not work, at least not for the first few generations (and deeper, the longer they segregate).

There has been too much “foreign aid” to their homelands, and not the requisite amount of humble (which is inherently also wise), “Say, how do you get to a place where your ‘cup runneth over’?” for the Africans to ever get out of the mindset of thinking manna falls from heaven and transition to contributing.