...an understandable security measure. I have two and I have made it well-known that they are one and the same person. I don't care any more; in the past my life was different.
What groups have to hide their identity?
2. persecuted minorities
What does a criminal Arthur Assman do if he is asked by police: are you Arthur Assman? He says: no, I am John Borgnino.
We are NO criminals, but we can be persecuted very badly and we have the need to hide our identity.
You, NFiH -- or whatever your nick -- have of course understood this from the beginning. And so many others have understood the same. Incredibly many. So many that you would never believe it.
A Cantonese saying:
膚淺 fu1 cin2 (Pinyin: fu1 qian3): have all one's goods in the window; superficial
Luckily I am not one of those people.