

if you look at japanese restaurants in google maps, most of them are rated at 3 stars. japanese never give 5 stars at most its 4, and they will give lower for even the slightest inconveniences. if you see 4 stars above then that means there’s a lot of tourists frequent there.
source, i’ve been there twice and was dumbfounded
its pretty impossible to say a statement that blanket a whole country, but there is enough evidence to form the opinion