Why did "Jeff Gannon" use a pseudonym?

This diary in Kos notes some reaons:

Q: Prior to this last week, why use a pseudonym?
A: Many people in business do that

• "People are not born with a name that is commercial"
  
• "People in Hollywood do it"
  
• "On-air personalities do it"
  
• "Radio people do it"
  
• "There are reasons to do such a thing besides being part of a CIA conspiracy or having something to hide"
  
• "It could be a very innocent reason"

Q: Right, so I'm asking yours..
A: Well, it could be..

• These are reasons why people would do it, and it's nothing to hide anything.
  
• "It probably is a commercial consideration"

Q: A what?
A: Commercial consideration

• A name that is difficult to pronounce, remember, spell
  
• "Batman's true identity has nothing to do with the story"
  
• "You'll have to take my word for it."

• 
  

Or, it could be that he had a side business, under his own name, invovling either pornography, prostitution or both, and he didn't want to get outed.... I mean, that's a plausible reason, right?