If Facebook doesn't try to hire more black developers, this proves they're evil, because they must be racists. If they do try to hire more black developers, this also proves they're evil, because now they're exploiting black people to drive down labor costs. Likewise, if Zuckerberg doesn't donate to charity, he is evil because he's selfishly hoarding his wealth; if he does donate, he's evil because he's trying to exp…
> he's evil because he's trying to exploit the underprivileged to enhance his own prestige
These are straw men. Serious people aren't criticizing him for things like this. Almost 100% of publicly-known charity is, to some extent, designed to enhance prestige.
As far as "exploiting" black people to drive down labor costs, it's not like they're Chinese factory workers ruining their health. They'd just be coding. There's some probable protectionist criticism related to hiring Africans instead of Americans, but that happens regardless of the wages that foreigners are being paid.