The "Internet Archive Wii U ROMs" that exist today may be gone tomorrow. Unlike torrent sites (which live on seeders), Archive.org complies with DMCA takedowns within 72 hours. If you see a collection you want, archivers generally recommend downloading it sooner rather than later—strictly for preservation purposes.
Keep in mind that the availability and legitimacy of ROMs can vary, and it's essential to understand the laws and regulations regarding ROMs in your region. internet archive wii u roms
Here is the uncomfortable question: When you click "Download" on a Wii U ROM from the Internet Archive, are you stealing? The "Internet Archive Wii U ROMs" that exist