Or it could be where they just hammered on a bone with a stone axe trying to get the marrow. Bone marrow was prized by early humans. Where they come up with with these ritual or symbolic explanations is beyond me.
Because they want to get a paper published.
Personally I think Neanderthals were fully human.
From what I can see on the video I just don’t think this find shows that. I need much more convincing those scratches represent abstract symbolism.
I am sure there a a multitude of things that are beyond you and few are ritualistic or symbolic.