The whole article is over dramatic. It takes until half way through to get to the answer: numbers sound like words or the url is from their phone number.
But that would be a really short article, I guess...
But that would be a really short article, I guess...
(1) Numbers in Chinese match well with the tonality of the language making it easier to remember (compare: "singing" numbers in any language works better to remember them).
(2) Chinese students are trained from a young age to memorize.
That's it basically. No "obsession". No hidden stuff. I also find articles like this pretty degrading.
That doesn't mean I'm not jealous of my Chinese half of the family to be able to remember numbers so easily whereas I can barely remember my PIN code :).