Yes, but a member can make themselves invisible on the board, hide their email addy, and disable PM's if they want. In other words they can choose to enable complete privacy, what you suggest would take that ability away and some members would find it intrusive.
heh heh, just think. with valubale info like with threads we've viewed someone might even show up at your house someday or learn your opinions on things. he he he sarcasim is fun, I've gotta use this stuff more often.
"Duffman can't breath!"
"That brown patch could use alittle h2o OH Yeah!!!"