Nay...we had a "reputation" to hold up so we could score with the good girls.
It seems the difference is down to their ability to make the mosaic more concise so that motion is clearer, and willingness to show pubic hair. Someone should mark down the date where the Pubic Hair War was won.
I came across
this article detailing a "de-pixelating machine" while googling censorship laws in JAV. It obviously doesn't really work, more like a touch up than removal. It looks like a 50s B-movie prop apparently. If there was one for real I'd imagine it looks like this: