"If we ever invent a time machine I doubt we'd learn much from humans of 10,000 years ago. There would be some surprises for historians and archaeologists, but we certainly wouldn't treat them as cultural or technological equals."

That's only your opinion, and it's most probably wrong. These guys were capable of feats you can only dream of. And you could be very surprised at their level of sophistication, which might appear higher than us on many levels - if not on all levels.