Defending evolution is pretty stupid, given the lack of fossil evidence.
IOW, you clearly don’t know what you’re talking about, but you do keep talking.
Back in the good old days when they were piddling around trying to fit bones together it was hard to get a good fit so you could figure out hair color. Now we know the Neanderthals had red hair, and if you think that's a problem ..... well, it's not a problem. There are 200 million people in this world with red hair and even more with mixed colored hair and they don't think it's funny at all. So, if you want to laugh and joke about it watch your back. They are lurking around night and day ready to fly into a rage, flash those blue/green eyes and use whatever is handy as a cudgel.
It was good for the Neanderthals to be redheads. Life was tough back in the day.
(NOTE DNA researchers say it was a different gene than the modern gene for red hair, but the principle is the same ~ and there's a reason the saber toothed tigers are gone).