Replying to
And why is it so 'difficult' to let people change their email address that they use to connect to services?
On one hand, it's the ability to just change your email from an email address that contains a previous name to a new email address. On another hand, it's the ability to change your email address if you lost access to your old one.
Changing identifying information like names or email addresses in systems really shouldn't be made as hard as it is