Mail of a thing needs to be handled with care as it exposes someone the more, but for someone who can't controlled the used of several mails can actually used a particular mail but which can actually change username on the gambling site, this can also make someone hidden if they don't repeats their password used in other forum and gambling site. Then other important thing is to avoid using passwords or pin or even enable marketing mails, sometimes it affects you and if you can't control a particular mail then it's important to use different mail which you have access to.
Typically, passwords are for security, not for privacy except if you put your name, address into your passwords.
Generally, passwords need to be generated randomly, unique and not similar patterns of your previous passwords. If you create and use your password that does not meet these criteria, you have a weak or at least not too strong password. Security of your accounts, wallets is weak in password protection layer, and they can be compromised.
Are your passwords in the green?
That is correct password is for security and anyone who is not that protective might get his password compromised, for privacy one should avoid using similar names on their account or even using their real names, there are some winning we wouldn't want to expose or someone else to know about the winning, but when they use anonymous name or keep changing their username in every site they sign up it will make them remaining privately.