Anyone who has tried to de-Google their online presence runs into this. Many sites don't let you change your email address so you either create a new account or

Anyone who has tried to de-Google their online presence runs into this. Many sites don't let you change your email address so you either create a new account or live with mail forwarding. OAuth is often worse at this, I have too many third party sites using Log in with Google, forces me to keep a Google session open (in a Firefox container).