If an LLM was trained on a single page of GPL code or a single piece of CC-BY art, the entire set of model weights and any outputs from the model must be licensed the same way. Otherwise this whole thing is just blatant license laundering.

I use a subdomain of a domain name I own.

The fact that reddit keeps making threats to moderators instead of taking immediate action is interesting. I guess they realize they’d be screwed without all that volunteer labor.