well i don't think that anyone would not agree with you man. . . I am a nagato fan of my own, np.
The real issue is that when and why did madara give those eyes to nagato. First it must have been before jiraiya met him because Jiraiya witnessed him awakening the rinnegan.
Secondly, the only logical reason would have been that madara gave his eyes to nagato because he found him spiritually weakened right after he saw his parents die.
Other than these I can't think of anything else. But there is another interesting thing. Remember, nagato is a uzumaki! How will this fit into the story... I don't think that it was an coincidence that nagato was the one chosen by madara...