I'm not sure where this number comes from but McDonald's profit margins may be misleading due to their franchise and real estate based model. If you spend $10 at McDonald's that's paid to the franchise and the central McDonald's corporation isn't necessarily profiting $3.
Is the allegation here that a LLM generated code that was very similar to the author's copyright protected code or that they copied the code and then tried to use AI to hide that fact?
It's hard to tell if they're telling the truth about the number of GPUs they have. They open sourced the model and the inference is much more efficient than the best American models so it's not implausible that the training was also much more efficient.
I think this would fall under any reasonable definition of fair use. If I read GPL (or proprietary) code as a human I still own code that I later write. If copyright was enforced on the outputs of machine learning models based on all content they were trained on it would be incredibly stifling to innovation. Requiring obtaining legal access to data for training but full ownership of output seems like a sensible middle ground.
How has all this information form the IRS leaked? ProPublica seems to have accessed many of the richest American's tax data. Is this something one person could do? How many people have that kind of access?