When your housing requirements are literally particle accelerator-sized! The meme brilliantly contrasts the housing crisis with the massive scale of particle physics infrastructure. The tiny apartment floorplan versus the enormous circular colliders (LHC, SPS, PS, and the hypothetical Future Circular Collider) creates the perfect visual punchline.
For context: The Large Hadron Collider (LHC) has a 27km circumference, while the proposed Future Circular Collider could span 100km! That's one heck of a studio apartment. Hope the security deposit isn't calculated per square meter...