Here, the shake resembles society as a whole, surrounded by the comforts of modern technology, politics, and security created by earlier generations. The shake, being liquid, should be impossible to burn, but remains in a charred state anyway. This resembles how, despite the successful state left behind by the previous generations, the world is still in a massive decline even though it should statistically be getting better. Though technology advances, culture and society ceases, and even reverts. Around us, honesty falls, piety declines, good will is disappearing, and morality as a whole is fading. This scene is not about how we can fix the issue, no, it is merely expressing it. An amused spectator of a colossal issue that threatens the state of the world.
Or it's a joke about an impossible fuck-up.