Japan has won best pizza in the world 5 times by some Italian pizza judging contest in Italy

https://www.google.com/search?q=japan+wins+best+pizza

Yes there is also bad pizza in Japan but, for example, there are around 90 "certified" neapolitan pizza restaurants in Tokyo.

https://www.pizzanapoletana.org/en/

Whether or not you believe the certification means anything, the point is there's lots of good pizza.

There's also lots of bad too ...