Look, either way you look at it, that's been jeopardised by you just partaking in a community or using forums.
I'm fairly sure no one knows me from adam even though I've been here a while and most everyone on the site knows who I am. As for what I think, I'm in the same boat with Neo. Modesty isn't something to be looked down upon. Not everyone seeks fame and fortune, some people are just out to help others or just to have some fun.
Dhampy makes a good point too. With all the internet stalking people do nowadays, it's smarter to remain anonymous if you want to share your true opinions with the masses. That way none of your opinions can come back to bite you in the ass by way of losing your job or ruining a relationship with somebody.