All of my real-life friends already know I'm doing this.
I don't really filter things with people I'm comfortable with. Likewise, if I was trying out online dating and my involvement with the DMG came up, I would have no reason to deny it.
A work situation is another matter. They will not be as understanding as friends would be. I wouldn't want my name attached to something that an employer would look at and call it "porn". I think expecting various employers to "Just look past that!" or to understand that it's not "just porn" is asking a little much, as well as being entirely too optimistic. Hence, I would like to use a pen name with all mature titles. I don't mind having my name attached to boys love stories, but I would take issue with my name attached to a hardcore yaoi title.