Unfortunately there used to be a personal message feature, but that was discontinued.
I guess most people get directed towards their local health professionals, but you can find a fair bit of information on this site too. Take a look at the menu.
Generally I think it may not be that easy to find other sufferers to talk to about ocd, unless you know someone personally in real life.
And I guess that people who are anxious or depressed and in the thick of it are not always in the best mind space to talk to others. I know I probably felt that way. I’ve come out more for others now that I’m not suffering myself.