Is emulated NAND (like SNEEK) used these days?

I just started my journey to modding my Wii, but I'm somewhat confused about emulated NAND and SNEEK/UNEEK.

The ModMii Wizard Guide mentions it briefly at the end of the guide, but wii.hacks.guide doesn't mention emulated NAND at all. I thought it seemed like a pretty good idea to avoid having saves on the (as I understand, unreliable and limited) internal NAND.

Is anyone using emulated NAND anymore, or was that more of a thing a few years ago? If not, why? Is the internal storage enough for what people need now that we have USB loaders for games?