That first point could be rephrased as “an exclusive SWB focus prioritizes providing resources to people who are less able to psychologically adapt to bad circumstances.”. That seems like a good approach to me.
In the example you give, I’m not sure the previous circumstances are relevant to the question. In that situation, I would prioritise the person who was suffering the most (all else equal).
That first point could be rephrased as “an exclusive SWB focus prioritizes providing resources to people who are less able to psychologically adapt to bad circumstances.”. That seems like a good approach to me.
In the example you give, I’m not sure the previous circumstances are relevant to the question. In that situation, I would prioritise the person who was suffering the most (all else equal).