What about adding other signup options or even a way for users to specify the login system for feedback to leverage current user accounts on your own product. The idea could be as simple as a setting to allow us to enter a URL to send users to on login when making a new piece of feedback and we send them back with data in the URL link name and a unique identifier.
That or more social logins like https://hey.cafe/help/article/f831jy8674jize1
