Korea has a very different history and a very different geopolitical situation from Japan and the Chinese view Korea as a much more likely candidate for de-alignment from the U.S.
Korea was historically more associated with the Chinese tributary state system than Japan and Beijing has put significant coercive pressure on South Korea to dealign from the United States since Xi Jinping came to power.
Seoul took over a year to participate in the Free and Open Indo-Pacific, for example, and South Korea ambassadors in Southeast Asia often steer clear of the like-minded coordination meetings of U.S, Japanese, Australian and European embassies.
韓国は元々中国の属国――米国で公然と語られ始めた米韓同盟の本質的な弱点
韓国・北朝鮮2019年9月13日
上記の英文だけだと、だから、韓国は米国を裏切る、あるいは、米国は韓国を見捨てるべきだ、という結論とは限らず、上記のような理由があるからこそ、韓国に手厚い待遇を与えてやるべきだ、という結論もありえる。
