To sum up your whole argument so far:
Penis size comparison is nonsense and should not be done, because:
1. virtually no one does it
2. therefore there is no worth in it
It is of course a factor to consider, but it isn't a particularly good argument.
Not "therefore there is no worth in it" but "and there is no worth in it"
I know for myself, I am a man. I deal with the world as a man. I identify with strong masculine values. I identify myself in masculine terms. I am not in the least worried if my work mates or friends were to have longer or shorter penises and I should not think they would of me.
In fact, truth be told, I do not think on their penises at all.
As far as the penis being the male sex organ and therefore somehow derivative of their consequence, sexually. I would not think so.
I would imagine that only the very large or the very short are to have difficulties in being accommodated by lovers. As to the rest, I think far more on what they do with it and their own confidence and skill in lovemaking, that may make the difference...and of course the attraction with the lady.
You are thinking size matters that much? No. More than this IF you measured longer or shorter than the man next to you, what would that prove? Nothing.
This looks more and more like either of two things. Either you are obsessing over penis size because you are underconfident in yourself and your masculinity OR you crave pictures of penises and what to know us men on a deeper level than you do already.