It’s an old joke updated for new technology … that’s part of what makes it clever.
It references the original joke (albeit in very small text)
The Asterix books frequently did something similar. https://cloud.wordpress.com/2022/02/17/asterix-and-the-historical-interpretation/
He’s possibly the only reoccurring black character, and yes it is very much a product of its time.
In defense of the authors the Gauls are all depicted with large bulbous noses, the Romans with Roman noses, etc; all cariceturs. https://en.m.wikipedia.org/wiki/Caricature.
In the attached image you can see Obelix is also depicted as a “knuckle dragger” (at times). The character leading them is a Roman.
This second example shows the Vikings.