Also keep in mind South Korea is dependent on the US for military protection.
America is dependent on Japanese and South Korean shipyards in the event of a war of attrition in the Pacific.
And between NATO and Qatar, I think it’s fair to say that U.S. security guarantees aren’t currently worth much.
As the influence of America wanes, it’s a perfect opportunity for China.
And as we saw in the Pakistan - India conflict, their weapons work.
2. That situation has never stopped weird alliances before.
Also keep in mind South Korea is dependent on the US for military protection.