His source in the first place is where I learned about construal-level theory, and I find/found it quite convincing. Hanson seems pretty accurate in his summary/analysis there, too.

In the second post: The Good Samaritan experiment seems like a stretch to apply here, but his other source is just the kind of experiment I would have thought should tell you whether CT does apply to "ideals" or not, and it appears that it does. Thanks for pointing me to these posts.