Powerclip Ghost - Developers - Can you show me in which way this is useful

Atleast users,

Can someone show me of your benefit from Ghost appearance of the Powerclip?

Its wrost and wrost thought 

Why i am going into the powerclip, to work of my desired elements only, why i need to see the outside elements?

Besides its consuming much time, if a page consists of many powerclips.

Wrost and wrost and wrost i would say