Before I submit this as a bug…. User name prefilled when creating a new login.

1P_Dave 

Are your mom and in-laws using email aliases as well? Or do they mostly use the same email address for everything? The latest beta version of the 1Password app allows you to choose which email address is suggested by choosing a default identity:  Choose your default identity and credit card items

My mom has aliases with Outlook, I think she has 5 of them (1 for shopping, 1 for important stuff, etc)…. and one she uses when she signs my dad up for stuff (he doesn’t use the computer, but even Social Security and Medicare requires an email these days). I know my FIL uses Gmail and uses plus-addressing for majority of his accounts, so they are different email addresses. My MIL uses iCloud and she has 3 and basically does the same as my mom. All 3 of them make accounts the old fashion way, because none of them trust the extension to capture everything…. which I done at times also (I find it easier to make a custom alias with Fastmail with my own domain, and then make the login in 1Password at the same time). 

I now have people calling me saying 1Password is broken, and get pretty mad when I tell them what’s going on. I recommend 1Password to friends and family, mainly it’s very easy (especially for older friends of my parents since it’s user friendly) since I’ve used it since 2014ish. So, they are now mad at me, and this is why I AM NOT happy with this at all. I am telling them to move to a different password manager if they want, I wouldn’t take it personally. 

All there needs to be is a switch “use most used email address for new accounts” and a switch “on or off” in the settings. This should also be off by default. Messing around with the default identity is not the answer…. keep it simple (my mom can’t use this because she makes and keeps track of my dad’s stuff too and I don’t want to teach her too much new stuff because she is up there in age).