Earlier quoted context omitted.
Your observations basically boil down to "my co-worker, who is Chinese, does not like raw fish, therefore..." There are plenty of sushi restaurants in Chinatown: https://www.yelp.com/search?find_desc=sushi&start=0&l=p:NY:N... There are also traditional - and popular - Chinese dishes that involve raw fish: https://en.wikipedia.org/wiki/Yusheng You have to understand that Chinese people are huge gluttons (I say this wi…
I offered an anecdote, which I did not claim was an argument. Please don't be deliberately uncharitable. Did you check the results of your yelp search? that's 2 restaurants that are actually in Chinatown and actually serve sushi. An unusually small number for a neighborhood with one of the highest density of restaurants in the city. Did you read the wiki article you linked? this sentence is in the summary: "While ver…
Even contemporary sushi/sashimi was not popularized in Japanese cuisine until relatively recently during the Edo period (1700s-late 1800s). Pre-edo times, "raw" fish was mostly preserved fish.
In regards to Chinatown, it's worth noting that many Chinese (and Korean) seafood restaurants also serve raw seafood (sashimi, poke, oysters, raw clams, etc.)
Perhaps Yelp is being too liberal with what they define as "Chinatown", but a quick pass on Yelp with the "Chinatown" area checked, returned the following:
Japanese restaurants:
* https://www.yelp.com/biz/alin-sushi-new-york-4
* https://www.yelp.com/biz/mika-japanese-cuisine-and-bar-new-y...
* https://www.yelp.com/biz/gohan-new-york
* https://www.yelp.com/biz/aplus-sushi-new-york-2
Chinese restaurants:
* https://www.yelp.com/biz/pings-seafood-new-york?
* https://www.yelp.com/biz/oriental-garden-restaurant-new-york
* https://www.yelp.com/biz/chinese-tuxedo-new-york-2
Fusion:
* https://www.yelp.com/biz/cutting-board-new-york