But code subject to copyright (which I agree with the concept of but it needs a reform). While concepts and ideas in computer programs and games can be patented (which I think is tremendously stupid)
The information has been available for a long time. And the method to get it was done by sanding down each layer and making scans, and tracing each line.
Without looking to much into this, apperantly the main new thing here is the way this information is compiled. Which may be quite the improvement in accessibility
Here are the patents Nintendo and The Pokémon Company are suing Palworld over (www.theverge.com) angielski
Equally effective (lemmy.world) angielski
Game Boy Advance schematics now available thanks to Reverse Engineering (github.com) angielski