As someone on reddit mentioned yesterday "Jia Cheong Tan" is an anagram of "CIA Agent John". Which may be accidental or a funny pun by the backdoor coder.
You can disable that the dialog shows up, then it's just a subtle icon.
That it often doesn't show up at all is indeed a bit confusing. I can translate german to english or french to german, but english to anything doesn't seem to show up on english websites even thought it's an option when I'm on a non-english website.
Not just with his family. He actually wrote himself an AI with some 60 page Excel monster which could play the game quite well. I worked with him for a short time around end of the nineties and he was incredibly dedicated to his game. He experimented a lot with different game scenarios, for example there is a quite fun Catan card game out there. And he came up with a bunch of scenarios for the PC game we were doing back then. He was also was a super friendly, down to earth person who showed up at game fairs talking to his player base.