What you write seems so obvious. We definitely cut & burnt a lot of wood, but we were not that many earthlings... So have you any source for what you say ? I'm genuinely interested.
Sadly this paper[0] remains behind a paywall and I can't find my local version. It is really the best work on the early Anthropocene hypothesis.
[0] https://www.annualreviews.org/doi/abs/10.1146/annurev-earth-...