I actually do use that list, when I remember it's there. It might be cool if that list were somehow more centrally located. The only reason I myself found that list is because Github can be confusing, so I was honestly just clicking on sh*t and seeing where it took me.
These are just like MY own impressions. I'm someone who'll dig for hours to find already made codes, or to try making my own, but at the same time, I'm so f**king lazy.
I think part of the issue is also the fact that this is a sub-sub-forum on a larger forum. Ideally, and I realize this is not something that's easily doable, the VitaCheat Github should be like a main subforum somewhere. A thread/topic per game, first post is the most current list of codes, comments are stupidity mixed with a bit of "Here, try this version of that code." The Github, feedback and collaboration-wise, is fairly limited. It's too bad the ISO Network sites are gone. That would be something that would be easily doable there. I've looked at GameHacking.org, and while their more prominent systems, like PS4, etc, have decent forums for what I'm talking about, the Vita (and a number of other devices) are just lumped into this horrible, cluttered sh*t-show.
Too bad the Vita didn't get the love it should have, or even a portion that the PSP got.