That method is for long-grain rice used in other parts of Asia, simply unfit for Japanese rice(or vice versa). It's just their highly British form of humor and customary jest.

I'd suggest Brits ban full leaved teas in favor of microwaved teabags while at it.

>The PBA method involves parboiling the rice in pre-boiled water for five minutes before draining and refreshing the water, then cooking it on a lower heat to absorb all the water.