Comment 0 for bug 171743

It's handy to produce (for example) complex symmetrical shapes.
You can take star shape (for example), select some nodes and change
selected corners simultaneously.

In 3DSMAX Editable Spline has "Lock handles" checkbox or you can select
nodes and rotate them separately.

In Blender3d (with curve object) you can just select desired handles
individually (without opposite ones) and move/rotate them freely.