Wii WAD Files for Virtual Console/WiiWare

Why aren't there WiiWare games or Virtual Console versions of several classic games available on Vimm? You could just say that you should just use the emulators for the respective platforms for Virtual Console, but Dolphin not only has many capabilities those emulators don't but it is also more convenient having a ton of consoles on one, stable, and reliable emulator than spread across several.