I have some sites where I have multiple logins/users set up. For example, having multiple email accounts.
I know there is a 'workaround' that lastpass suggests which is basically 'alphabetize' your accounts by adding an 'A' 'B' 'C' before the name of the login, so the name is basically "A gmail.com" "B gmail.com" etc.
It works, but it's ugly and bothersome to some of us that like proper sorting and naming conventions.
It would be far better for Lastpass to either add a checkbox to set a particular account as the 'default' one for that site, or else a field with a numerical priority where the accounts display and fill in based on order of priority rather than alphabetical where priority has been entered.