To be expected. Honestly I don't know what they expected, directly cloning and working on the very same emulator Nintendo shutdown a few days prior. They should have taken their time, reorganize, remove problematic stuff and documentation, and create a complete new identity with different branding. If anyone wants truly work on this emulator, they should think about a good approach. And maybe wait until Nintendo does not sell the console anymore.

(Edit: After reading the reply, this paragraph can be answered with "no". I got it flipped and it's actually Yuzu that did not require firmware.) And is it true that suyu did not need any product keys anymore and an empty file would be enough to play all games? That's even worse for Nintendo, because that makes piracy even easier.

People call me a Nintendo fanboy and yuzu hater. It's the opposite, I'm a Yuzu player (almost daily) and don't like Nintendo anymore. And it saddens me to see how incompetent some people go with this topic.