This meme brilliantly roasts project managers who think development scales linearly with headcount. Just like cooking a chicken at 900°F for 1 hour produces a charred disaster (left), while 300°F for 3 hours creates perfection (right), software development can't be rushed by simply throwing more developers at it.
It's a delicious reference to Brooks' Law from "The Mythical Man-Month" which states that "adding manpower to a late software project makes it later." Each new dev needs onboarding, increases communication overhead, and fragments the codebase. The chicken doesn't cook 3x faster at 3x the temperature—it burns to a crisp!