We’ve been doing this in RL research with Minecraft as well (see MineDojo). An excerpt from the GitHub page:
MineDojo […] provides open access to an internet-scale knowledge base of 730K YouTube videos, 7K Wiki pages, 340K Reddit posts.
Again, no one has run into legal issues with this yet either, but this also isn’t as ubiquitous compared to Atari, nor has it been around for as long.
Until chop off their legs. Then BMI spikes again.