And yes, Japan itself it not requiring people coming to Japan to get the jab "out of concern that such a move could lead to criticism of discrimination against those who haven’t been inoculated for various reasons." But a vaccine passport using a vaccine that has been in development in less than a year is still a bad precedent.
The vax rate of japanese is something like 1%, so vax passports for a country of unvaccinated sounds like a token.
https://japantoday.com/category/features/kuchikomi/japan%27s-vaccination-rate-lowest-in-g7-here%27s-why
Another variant of the article can be found here for those who couldn't read it before:
https://www.japantimes.co.jp/news/2021/06/17/national/vaccine-passports-travel-japan/
And yes, Japan itself it not requiring people coming to Japan to get the jab "out of concern that such a move could lead to criticism of discrimination against those who haven’t been inoculated for various reasons." But a vaccine passport using a vaccine that has been in development in less than a year is still a bad precedent.