Any advanced civilisation would have machines and metallurgy. We don’t find that until well after the ice age.
And no traces of farmed plants. Look st the difference between ancestral wheat or corn and varieties since the time of Christ.
A valid point if the geological record’s timeline is accurate.
For the sake of curiosity, query duckduckgo with:
ancient megaliths saw marks?
(filter on images)
There are multiple sites worldwide that seem to show saw cuts in stone which predate our use of diamond-tipped saws.
Do you think there is an innocent explanation for those? If so, what would it be?
Any advanced civilisation would have machines and metallurgy
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You know that for a fact? It an assumption. Until recently there was a lot of evidence that sound could be used to move objects, but most was lost or in the case of China deliberately destroyed during the Great Leap Backwards.
Even to this day many megalithic structures have an affinity for certain harmonics and specific frequencies. Notability in the Great Pyramid and a few other well know monuments.
It is also well known that over time, especially in antiquity, quarried stone, metals were sought after, recycled and repurposed. So metal object - tools etc are rare.
Further, prior to the Younger Dryas, sea levels were on average 400 feet lower. Any prior civilization would have favored the land on the oceans and river mouths, not burred under hundreds of feet of water and silt.
So there could easily have been a prior civilization that used sound to move things, could have built with stone, glass, and copper - which would be long gone or be unrecognizable after 12,000 years.
Remember, Hancock says we are a species with amnesia. And any huge trauma would certainly have meant that any civilizational aspects were lost to the needs of sheer survival.
So we go around making theories that fit our preconceptions, ignoring any thing outlying and viola! Climate Change! When in fact the only real climate change happened 12,800 years ago.