That quote predates the introduction of flags, and is no longer
generally accurate. However, negative trust ratings
created before the introduction of flags are "grandfathered in", and can generate a flag-like-warning, as a special case.
- If the number of pre-flags-system negative trust ratings is greater than the number of all positive trust ratings, a warning banner is shown for guests & low-login-time newbies.
In other words, this type of warning can be eliminated if the grandfathered-in negative ratings are deleted, or if new positive ratings are created to offset them, or some combination of the two.