Where would you have the receiver’s partner stand? Is the server to tell the correct receiver’s partner where to stand so he can serve the ball to the obscured portion of the court? Where would you propose the receiver’s partner stand? The only acceptable place is off the court (i.e. behind the baseline, outside the sideline, etc.). A player just standing in an area of the court that blocks the server’s view of his intended target does not constitute a distraction on its own.

This submission should fail. For various reasons, it runs afoul of each of the three priorities for a suggested rule change (Rulebook, p.68-69).