Ross: I've put a big reply up on my site, with some detailed thoughts on technical direction, unexpected outcomes and ethical issues relating to 3D gameplay capture and 3D world reconstruction:
https://halestrom.net/darksleep/blog/044_3dto3d/
Apologies to everyone who has been commenting here, I have not read through things yet. I spent quite a bit longer on this reply than I anticipated. I'll get there.
I only found out about Ross' video a few days ago; Ross' RSS feed is being blocked by his site's Cloudflare setup, so my (and everyone elses'?) feed reader can't access it.