Man look you're right on some parts but you're either intentionally or unintentionally pushing almost all the responsibility onto one party while giving the others in this image a pass.
You're applying an analysis of the United States' structure that you're not applying to Russia, China or North Korea. These countries all have a ruling class, capital, engage in imperialism and wield a specifically unique geopolitical power.
If we agree states are vehicles through which a ruling class pursues power, wealth and control then that has to apply to them all equally. They all have ruling elites, their own geopolitical ambitions and engage in their own means of repression or information control. Russia cracks down heavily on dissent, China engages in transnational repression and border disputes, North Korea has literally destroyed any meaningful space for political opposition or criticism of the Kim regime.
You're portraying American actions as the product of imperial interests but repeatedly explain the actions of the other three in this image as reactions.
Look at Ukraine. You called it a "proxy war", that doesn't erase the fact that Russia chose to invade Ukraine. It doesn't suddenly magically make Ukraine a puppet of the west. Western governments have a strategic interest in Ukraine you expect them to just throw up their hands in the face of a genuine invasion? Ukraine has its own interest and agency, they have their own aspirations. So why does western strategic interest erase Ukrainian agency while Russian interest in Ukraine doesn't? Is Russia not engaging in one of the most obtuse and offensive acts of imperialism in the 21st century in their actions? They're grinding an entire generation away into a supposedly "three day special operation" and pressganging any foreign national they can into the conflict as well. That's a pretty disgusting thing to do.
they are in fact reaffirming their fundamental loyalty to the state even as they criticize it, because they cannot denounce the state without denouncing the state’s rivals and reaffirming their willingness to fight on the side of their own state against them.
Okay but what would genuine opposition look like to you? Abandoning ship entirely at the first sight of a disagreement or infringement? If criticizing your own government is keyfabe opposite its foreign policy is loyalty to the state and criticizing the leaders is just reaffirming the system. Then what could an individual, a liberal person, actually do that you would recognize as opposition?
I don't understand what you think here. I don't have to defend imperialism done by the Trump president or any president before to oppose Russian or Chinese imperialism. I don't support the foreign policies of the United States to support Ukrainian sovereignty. I don't believe China and North Kore are good because the United States has done terrible things. I think you're missing that point entirely, or intentionally glossing over it all.
If you're going to analyze power structures to define the flaws of liberals, then analyze all of it and paint the full picture. Otherwise you're not analyzing power you're just picking a side, the side of the other three in the image Trump has now joined. Which is what the artist is depicting.