韓国軽視論←韓国人の参加、大歓迎

＞However, when people go to these eateries they may think that waiters in Japanese restaurants have nothing to do with Japan. As it turns out, waiters working in Moscow sushi restaurants are in fact Koreans posing as Japanese.

スシバーには「ザパニージュ」店員ですか。

＞they must also know how to prepare and serve sushi. Journalists are dispelling another myth about sushi: contrary to the myth saying that it takes many years to learn how to prepare raw fish with rice properly, any Korean arriving in Moscow can master it within a period of one week to a month.

「スシをきっちりつくれるようになるには長い年月がかかるという神話をジャーナリストは一掃している。（なぜなら）韓国人はモスクワに来て１週間か１ヶ月そこらでスシの作り方をマスターしてしまうのだ」という訳でしょうか。
ここは執筆者の皮肉と解釈していいんでしょうかね。