There's a world of difference between hair like this:
and hair like this:
Point being, just because he didn't have a modern Western crew cut, by the cultural standards of the day, Jesus did not have "long hair."
That looks like Kenny Loggins.
Do you really, honestly, believe that man has ever in world history worn hair like that?
I mean, should there not be some examples of that in a painting, carving, etc.
How would a man work with hair like that?
Rome was in control of the world at that time. Rome set the cultural standards. The Romans wore their hair very short. Have you ever seen a Roman emperor represented with long hair.
I Cor 11:13 —
13 Judge for yourselves. Is it proper for a woman to pray to God uncovered? 14 Does even nature itself not teach you that if a man has long hair it is a shame to him? 15 But if a woman has long hair, it is a glory to her, for her hair is given her for a covering. 16 But if anyone seems to be contentious, we have no such custom, nor have the churches of God.
The long hair Paul was talking about was the long hair on a woman.
The outline of the hair on the shroud is much longer than what you have depicted.