I find it repugnant because I find it repugant. Any population ethic that is utilitarian is as good as any other; mine is of a type that rejects the repugnant conclusion. Average utilitarianism, to pick one example, is not scope insensitive, but rejects the RP (I personally think you need to be a bit more sophisitcated).
I find it repugnant because I find it repugant.
You sound a bit like Self-PA here. You do realize that it is possible to misjudge your preferences due to factual mistakes? That's what the people in Eliezer's examples of scope insensitivity were doing. I don't see how you could determine the utility of one billion happy lives just by asking a human brain how it feels about the matter (ie without more complex introspection, preferably involving math).
Average utilitarianism leads to the conclusion that if someone of below average personal experiential utili...
Some people see never-existed people as moral agents, and claim that we can talk about their preferences. Generally this means their personal preference in existing versus non-existing. Formulations such "it is better for someone to have existed than not" reflect this way of thinking.
But if the preferences of never-existed are relevant, then their non-personal perferences are also relevant. Do they perfer a blue world or a pink one? Would they want us to change our political systems? Would they want us to not bring into existence some never-existent people they don't like?
It seems that those who are advocating bringing never-existent people into being in order to satisfy those people's preferences should be focusing their attention on their non-personal preferences instead. After all, we can only bring into being so many trillions of trillions of trillions; but there is no theoretical limit to the number of never-existent people whose non-personal preferences we can satisfy. Just get some reasonable measure across the preferences of never-existent people, and see if there's anything that sticks out from the mass.