Not just Chinese characters:
https://www.bustle.com/p/how-do-you-write-the-letter-g-a-new...
https://www.bustle.com/p/how-do-you-write-the-letter-g-a-new...
Possibly because in childhood I've drawn several G-Clefs but never ampersands (that I recall), while the opposite has been true later on. I suppose I've just re-purposed whatever motor memory I had for "a kind of infinite-loop G".