Yes. Because you cannot get these achievements on the original cartridge. These are pirate-exclusive achievements. The server is not run by Nintendo; it is run by fans. You get a profile, a rank, and hardcore badges. This is arguably the most legitimate way to "earn" achievements on a pirated copy.
Here is a comprehensive guide on how to manage achievements for games that aren't in your official library. Use a Steam Emulator
If you love achievements so much that you are willing to hack a DLL file to see a pop-up... why not just buy the game on sale for $5? The feeling of a real Steam achievement popping up on your real profile is a thousand times sweeter than editing a .txt file on a cracked copy.
By using specific emulators (like RetroArch), you can log into your account, and the emulator will track your memory addresses to trigger "exclusive" achievements that never existed in the original hardware releases. 4. Goldberg Emulator (The Manual Logic)
The gold standard for pirates is Achievement Watcher (AW). This open-source app acts as a local trophy room. It monitors your game folders, detects when an achievement is triggered, and even plays a custom notification sound.
Some game repackagers offer achievement-enabled versions of pirated games: