You could use the same evidence to argue that we haven't made a dent. In such a short time nature takes over. There is evidence of this anywhere. How insignificant are we in terms of time and impact?
If we were to depart tomorrow how long would it take for evidence of our existence to be obliterated?
Mate read the book
the World Without Us by Alan Weissman .
Goes into great detail about that scenario .
How long would it take nature to reclaim cities etc
Which species would be dominant ...which wouldn't survive .
It's fascinating .
& somewhere in there he goes into how long before every trace of Human existence is wiped .
Every thing eventually goes back to dust .
Even if it took a few million years that's a speck when you're talking about a planet 4.5 billion years old .
He even speculates how this could be the third or fourth time that there has been a human type dominant species .
Due to an extinction event & a few hundred million years before the next human like species there would be no trace of the previous .
Lol sorry about going off topic I thought this was about the best series I've watched in a long long time .