My Nintendo account is one of my primary accounts.
I use it for playing games, buying Nintendo games, and for managing my account and its purchases.
I don’t use any other accounts.
So, my Nintendo login is my account that I use for the things that I want to do, such as logging in to my favorite games, checking my email, and managing my purchases.
This isn’t a bad thing, as it makes it easier for me to access my accounts.
Here’s how I use my Nintendo Account Login to manage my Nintendo accounts and play the games I love.