Why sushi rice in US don't taste like they do in Japan?

Question

Why do sushi rice in US restaurants don't have that sweet vinegary smell and flavor that it does in Japan?

The only sushi place in US that I've been to that comes even close was a place in San Francisco that I went to about 5 years ago. Can't remember the name.

Answer 1

Because the americans do not know how to make real sushi.

It is essential to marinate the sushi rice in an oak platter before making sushi. Most american restaurants and stores skip this level (to safe time and money). But it will not be true sushi without!

Answer 2

At first, the difference of water and rice itself.

And the difference fundamentally how to make it.

Frankly speaking, I also ate too much sushi in USA, there was no place I felt yummy.