a-proposal
Explanation
The Joke
A man stands at a podium (apparently at some kind of white-supremacist or anti-immigration rally) and says: "You guys hate the people from the least developed nations. Less developed countries have higher fertility rates. Ipso facto, you guys should sell all of your possessions, give the money to Africa, then move there to help build infrastructure." The caption reads: "I am no longer welcome at KKK rallies."
The Humor
The humor lies in the man using a superficially logical argument to troll racists into endorsing the exact opposite of their ideology. The reasoning goes: if racists hate people from less developed countries, and those countries have higher birth rates, then the "logical" way to reduce the population of people they hate would be to develop those countries (since development lowers birth rates). Therefore, racists should donate their wealth and personally help build infrastructure in Africa. Of course, this argument is deliberately constructed to reach an absurd conclusion that no racist would ever accept -- it weaponizes their own stated concerns against them. The punchline that the speaker is "no longer welcome at KKK rallies" confirms that this was a deliberate provocation, and the understatement of the reaction (merely being unwelcome rather than facing any serious consequence) adds to the dry humor.
References
- The correlation between economic development and declining fertility rates is a well-established observation in demography known as the demographic transition. As countries develop economically and improve access to education and healthcare, birth rates tend to fall.
- Ipso facto is a Latin phrase meaning "by the fact itself," used here in a mock-logical fashion to make the absurd conclusion sound authoritative.