There are other possible infinities that could dominate. See my point 5 here: https://forum.effectivealtruism.org/posts/qcqTJEfhsCDAxXzNf/what-reason-is-there-not-to-accept-pascal-s-wager?commentId=Ydbz56hhEwxg9aPh8
And this post and discussion: https://forum.effectivealtruism.org/posts/sEnkD8sHP6pZztFc2/fanatical-eas-should-support-very-weird-projects
There are other possible infinities that could dominate. See my point 5 here: https://forum.effectivealtruism.org/posts/qcqTJEfhsCDAxXzNf/what-reason-is-there-not-to-accept-pascal-s-wager?commentId=Ydbz56hhEwxg9aPh8
And this post and discussion: https://forum.effectivealtruism.org/posts/sEnkD8sHP6pZztFc2/fanatical-eas-should-support-very-weird-projects