Your warning might go further and hit the right audience if you made your subject line about the person and/or city rather than the service on which you met the person.
Even though the link is now broken and he uses a different profile name, this thread is also about him: https://www.companyofmen.org/threads/brad-nyc-sf.103946/
There's a worst massage ever thread somewhere around here that I feel like you should add this to! =)
Side note: your warning might go further if you are willing to edit the title of this thread to include the masseur name and/or city.