accusations of shilling are not allowed on HN, if you feel somebody is doing so, mail the moderators at hn@ycombinator.com, dont just sling crap at people, especially with such a flimsy premise.
I've merely asked for elaboration and provided a recent article that seems to contradict suls statement. If there's market research indicating that Amazon is winning against Rakuten in Japan, that would be interesting to me.
This is the article I’ve read in January: http://biz-journal.jp/i/2018/01/post_21873_entry.html It seems to be based on this table from said JETRO report: https://netshop-cdn.impress.co.jp/sites/default/files/images...