Comment on the WSJ article:

“They reserve special enmity for spicy tuna rolls — typically made with scraps of raw tuna, mayonnaise and chili powder — which they say were only invented so that restaurants could mask the taste of substandard fish. And they generally loathe the ubiquitous California roll. Not only is it a newfangled American invention that combines avocado and cucumber, but it usually contains imitation crab — anathema to chefs who have spent so much of their energy and money securing pristine seafood.”

OMG. I clicked on the article just for a laugh, and I found myself agreeing with it. The Sushi Bullies have this one exactly correct.