Can you share the warning? I made a public page and would say it was not clear to me this was a consequence of doing that. The warning as I remember it (a month ago) makes it sound like the information on this page is going to be public -- not - oh yeah the email addresses of everyone who edited this page will also be leaked.
When you start contributing to a page you see this:
https://cleanshot.com/share/trYdqYFZ
This is pretty meh. We will deploy more explicit messaging while we mitigate this properly.