as Tyler Cowen says, Tokyo has the best food in the world, and the best French food in the world.
https://conversationswithtyler.com/episodes/david-brooks-2/
Tokyo has even won best pizza as judged by the Italian pizza competition in Italy several years
Paris has almost no East Asian food and what I did see when trying to find some was all in porcelain trays like slightly fancier Panda Express.
London I found a few good places in Soho but just slightly out of the center it was a food desert