Yeah, it's pretty annoying when Nappy complains about losing mons to crits when he wins most of his battles by spamming healing items. Like, yes, crits are supposed to be rare, but when you use 10 lemonades in a row while you're in crit range you're basically playing with fire.
Something we have to keep in mind though is that it appears that they're still doing it basically blind. Reborn is a game that rewards preparation and good team composition, two things that are impossible to have on a blind Nuzlocke run. I still give them props for making it this far without "technically" losing.