Chat pop-ups for "John" didn't start as immediately as for "Michael", but once they did (after about a day), they were similarly incessant, and equally implausible.
All of the above points strongly to scamming - that deceptive letters are sent out without regard for any particular qualities of their recipients (other than having money to spend).
Below is a screenshot of the letter in question, in which I have circled the smoking gun in red.
Please take a moment to consider the implications of this. Presumably, your letter is assigned to a paid member of the team, who, with the help of software, with minimal effort crafts a passably "personal" response to your letter, which you pay between $4 and $8 to read, and another between $4 and $8 to respond to.
Many of the letter writers purported to have read "Michael's" profile, in which he solicited messages from scammers only - yet here they were messaging him anyway.
This is damning enough as it is, but I've got an even better actual smoking gun to present afterwards, so read on for that.
of asiandating.com, which might or might not suffer similar problems - I haven't checked it out.
Recently, due to a friend's involvement, I had cause to investigate the authenticity of an Asian dating site.
Here is a sample of those quotes from those letters, including any of my comments in grey.
Out of the first 23 letters that I opened, 13 (about 57%) of them, as quoted above, explicitly asserted that the writer had read "Michael's" profile and was interested in him based upon that profile, and three others (about 13%) implied it by writing such things as "I’m very interested in you [...] I believe the first sight , perhaps the first look can doom our fate", "you can't imagine how happy I am at the moment" and "I feel so happy to be here to coonect with you my dear".
To check that this wasn't some strange anomaly, on 5 July 2014 I created another fake account, "John Smith", aged 88 (the maximum age it is possible to set for men on asiandate.com), with profile description ("A Few Words About Yourself") set to "I am an old and decrepit man with terminal cancer and absolutely no money. As with "Michael"'s account, I provided no photographs.
Within two days, the account received 15 letters, with similar results as for "Michael" - many of the writers claimed to have read, and to be attracted to "John" based on, his profile; many of them provided more than one photograph.
Within 24 hours, the letters began accumulating in "Michael's" inbox.