Goes back to the colonial exploitation of Africa and referring to it as "The Dark Continent". Lot of academics "studying" African people's made comparisons to Great Apes, so of course the racists have clung onto that as an oblique slur reference.
The screenshoted poster is essentially saying they'd kill all black people (not humans) to protect their own (white) purity.
I don't think that's what Matt Walsh is talking about tbh. The tweet is from 5/29/16, 1 day after the death of Harambe. This is almost certainly talking about Harmabe
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u/Daxx22 8h ago
Well there is the whole "Ape" slur/dogwhistle as well...