Some of these console mods only really get sold as kits or products on places like Aliexpress.
Needless to say, they are pretty safe from Nintendo. If these guys aren't selling the schematics, and posting them for free, Nintendo has a lot less of a leg to stand on.
Nintendo is notoriously litigious. It is naive to think you’re “pretty safe” from them. If they want to sue you, they will, and could bankrupt you with the legal fees alone.
