The right to withhold your identify, like the right to remain silent, is not the sign of a thug or child predator. It is the sign of a free human being.
Here’s an interesting article from a few years ago, discussing Internet Anonymity. She brings up a few great points like why do people choose a different online pseudonym? Maybe a person was raped, maybe they are gay and not out of the closet, maybe they don’t want their religious opinions to offend someone close to them. There are thousands of reasons and well, I agree with her entirely. Here’s her article!