I kind of have to agree with bozon, as all you have to do is get yourself into formation and activate wingman mode. Not that I wouldn't use it myself if implemented however.

Personally, I rather they gave the ability to change your bomber formation instead. Echelon right/left, line astern, line abreast, etc.

The wingman function has it's legitimate functions, especially in events.
Yep. It's VERY useful for bomber groups as it allows the group to maintain formation while defending. Prior to it's introduction, it was too easy for the group to start breaking up a little once intercepted and in their guns.