In short: not going to happen in the current way LabVIEW is implemented. NI would have to change from a bitmap based graphics system to a vector based graphics system. That would be a major undertaking.
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Ah I see, it does seem like they could pull from additional (larger with more pixels) bitmap images so that while it may not be a true zoom function, it could function as such... that or just make the size of the box configurable.
When you double click the icon on the FP, it opens up the icon editor. Part of this editor is a enlarged image of the icon. What if from here you could bring up the connector pane and connect FP objects to the panes here.
Of course, that would require changes to the icon editor, which is another whole can of worms brought up all the time.