While “Pursuit of Happiness” is a seductive phrase, it is also very problematic.
In what respect?
But I have never quite managed to articulate my opposition to it
Parfit’s experiment concerns “Population ethics” and how we assess the optimality for the world at large
Today we live in a world of 7 Bn people.
The per-capita income is roughly ~$18K
So that makes the total income : $126K Billion
Let’s call this Scenario A
Population is now 8 Bn
The 7Bn who existed previously continue to make $18K
Let’s suppose the incremental 1Bn make $5K.
Total Income of the world : $126K B + $5K B = $131K Billion
After all the 7Bn people who existed before are no worse than in Scenario A.
Surely their existence adds to the “happiness” of the world
Scenario C :
Population remains 8B
Total income also remains $131K B
But now let’s suppose the income is evenly distributed among the original 7B and the incremental 1B
So Per-capita income : $131K B / 8B = $16,375
But now let’s take this line of argument to its logical conclusion with Scenario D
Wealth remains $131K Billion.
Per-capita income is uniform and works out to be - $6,550
What do you make of it?
Surely it must be better than A.
But now everyone is up in arms. Hey…our incomes are being reduced from $18K to a paltry $6,550.
But the 7Billion people scream
I care a hoot for those 13B hypothetical new individuals. Not in my backyard! No sir!
If per-capita happiness is what you care for -
Why don’t we eliminate off 3Billion of you (who don’t work too hard)
We can still make $131K B worth income with just 4B people.
Per-capita income shoots up to $32,750!
Definitely not, among the 3B people who face an existential threat.
How do we assess the greater common good.
If the whole world chose not to have pesky children for the next 50-60 years, the human race will be extinct in a century!’
Modernity and Enlightenment thought have long held the secularization of human life and glorification of human reason on a pedestal