AHC: Chop-sticks in Western Europe?

Inspired by the fork thread. How could it happen that, with a POD between 1000 and 1500 that by 2000, usage of chop-sticks is integral in Western European culture.
 
PoD is too late : by the date you quote several table uses were already taken (including forks that if not that used, were a thing)
At best I could see chopstick-inspired cuterly for some meals, but that's all.
 
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