Skeleton SOP orients the parent joint to the child joint. When the child joint is moved, the parent joint's orientation is updated automatically.
In most cases, it's what I want. But what if I don't want this? How to disable this feature so when I move the child, the parent's orientation stays the same?
For future reference, there is an "Auto Align" option in viewer state parameter panel (hotkey: P) if one doesn't want to keep their finger on Ctrl forever: