Maybe all of them together... because we have more than one topic here, and different people are interested in different things.
Something about AI math. Something about values. Something about improving your life. Something about helping others. Something about spreading rationality.
WARNING: Memetic hazard.
http://www.slate.com/articles/technology/bitwise/2014/07/roko_s_basilisk_the_most_terrifying_thought_experiment_of_all_time.html?wpisrc=obnetwork
Is there anything we should do?