In a site where social sign-in is configured, and database authentication has been disabled, the user is still offered the capability to set and change their password at the /manage page:

e.g. /manage/setpassword

And
/manage/changepassword
When database authentication has been disabled these options are irrelevant and could be confusing to users, so we should not show them.
In a site where social sign-in is configured, and database authentication has been disabled, the user is still offered the capability to set and change their password at the /manage page:

e.g. /manage/setpassword

And
/manage/changepassword
When database authentication has been disabled these options are irrelevant and could be confusing to users, so we should not show them.