They worry because they want G+ etc to be your real identity much like facebook. I had a nickname in Facebook, they found out and they put my name and I can't c

They worry because they want G+ etc to be your real identity much like facebook. I had a nickname in Facebook, they found out and they put my name and I can't change it back. I'm not saying it's right or wrong, there are some very valid arguments for allowing fictional names (privacy, security, etc). They mainly not want to go back to the day were everything was mydodoname123.