So do Torrent clients, but I'm fairly certain that those can be posted here. Regardless, this is advocating piracy as much as the eShop is. Just like Torrent clients, the developers aren't responsible for what the end user does with the software.this makes piracy far easier.
You do know that you can download Windows 10 for free from Microsoft, right? That's still going on until June or so.(Note: If you pirated Windows 8, the "Free Windows 10" upgrade gave you a legitimate Windows 10 key)