Leo Lichtman wrote:
... I hate to be cynical or suspicious, but there may be a clue in the fact that
he has not responded to any of the posts responding in bewilderment to him.
Normally, a person who posts a real question will follow the responses
closely and interact with the respondents.

Could be. Given that he's not a regular here does make it suspicious.
But, not being a regular here could have caused him to be scared off by
the "... please have the common courtesy to ask the right question ..."
when he doesn't know the right question and could be subject to further
ridicule.

I dunno,
Bob