The fourth and fifth amendments of the United States Constitution which is part of Bill of Rights clarifies that individuals have the right to be free from unwanted and unwarranted interference from the government into their personal and private affairs, possessions as well as documents.
On the other hand, Article 12 of The United Nations UNHR (Universal Declaration of Human Rights) also states that individuals are not governed by intrusion into his/her privacy, home, family and correspondence. Every equal individual has the right to the protection as listed in the law. You need to understand that there is no right or wrong to remain anonymous as individuals have the rights to it. After all, the people are merely searching for online privacy.