That's right. Whether in planning one's life, or obtaining what one desires, when people make choices, no matter what they are, they ask for Sibyl's Judgment rather than agonize over it.

That is to say, when Senjougahara met the crab, she cut all ties to her mother so she could stop feeling troubled regarding such matters.

Is that so hard to believe? Do you know no humans who've struggled with just such a thing? And Dettlaff is so much more emotional than most humans.