'Don’t walk. Stand where you like': Japan’s terrible-sounding plan for escalator etiquette

What is the correct etiquette when on an escalator?
Should you walk up the escalator to help quicken everyone’s journey, or remain still to keep everything orderly? If you do stand still, should it be on the left or on the right of the escalator?
Recently, officials in Japan have been pushing for a set of rules governing escalator use in the country that will sound like heresy to many around the world.
Do not walk. Stand on either side.
The Yomiuri Shimbun reports that 51 railway operators and airport-related companies have banded together to support the no-walk campaign.
“The number of accidents decreases during the campaign period but the practice of keeping one side open is strongly rooted,” a public relations official at East Japan Railway Co explained to the newspaper.