Global wake up call to the nasty regimes operating with impunity under the skirts of Russia and China.
They are no longer safe. And they can no longer cock a snook at the international community, and the US in particular.
This damages Putin. Because all he can do is bloviate. He can't protect his lackeys if they cross the line.
It has been plain for years that Putin has taken advantage of a US that wishes to be peaceable. Now he knows that this period is over. There is a red line. If he keeps pushing it with his allies, then he is risking a war he cannot engage in.
US military prestige and power is serious again. It has now let the nasty folks know there are consequences if you do terrible things, whoever you think will protect you from them.
Hello, North Korea.