No it doesn't mean that.
The reasons the warning is there are (copied from the site)
Alert: The authenticity or legitimacy of this member's profile has been brought into question. Please exercise caution.
We have been given reason to believe that this profile may not be totally bona fide. We have asked the member to provide documentation in order to verify themself. If this documentation is not provided within 48 hours the profile will be removed from the Site.
Until such time as this message no longer appears here, please exercise caution when corresponding with this member as they may not:
be who they say they are
be where they say they are
appear as depicted in any pictures
offer the services they profess to offer
Regardless of any member's verification status, AdultWork.com operates a buyer beware policy and would all encourage members to follow these steps when evaluating any members authenticity. (hide message)