Altruism doesn’t only mean preventing suffering. It also means increasing happiness. If all suffering were ended, altruists will still have purpose in providing creativity, novelty, happiness, etc. Suffering then becomes not experience unthinkable levels of insert_positive_emotion_here and philanthropists will be devoted to ensure that all sentient entities experience all they can. The post-singularity Make-a-Wish foundation would experience rapid growth and expand their services as well as volunteers as they operate full-time with repeat customers.
Altruism doesn’t only mean preventing suffering. It also means increasing happiness. If all suffering were ended, altruists will still have purpose in providing creativity, novelty, happiness, etc. Suffering then becomes not experience unthinkable levels of insert_positive_emotion_here and philanthropists will be devoted to ensure that all sentient entities experience all they can. The post-singularity Make-a-Wish foundation would experience rapid growth and expand their services as well as volunteers as they operate full-time with repeat customers.