Can't you people put 2 and 2 together? He's a classic profile of a raving stalker lunatic.
Let's just pretend that Alex is not Chinese, he is this man:

Now, throw in all of Alex's behavior and dialogue (including the numerous references to pedophilia and sex with children)... What would your opinion be then? Would you still think he's just some poor lonely Chinese man that has an obsessive crush on a stripper he met in San Francisco?
There are very few 'normal' people on the board. If I could make a list, it would be very small and limited to: Roxanne (Makybe_Diva), Dr. Phelps, Jimmy (though he has a few 'small quirks', he is relatively normal), wowchung, and the new member misskitty seems to act normal.
Surely, one of these people can realise what I'm saying?