The mathematical equivalent of using a stone axe to build a spaceship! This poor soul is trying to typeset elegant set theory in LaTeX (the gold standard for mathematical documents) but creating their diagrams in MS Paint—the digital equivalent of drawing with crayons.
Those wobbly, hand-drawn partition lines are the mathematical equivalent of serving a gourmet meal on a paper plate. The contrast between the formal notation (∀x,y ∈ Π(x ∩ y = ∅)) and those shaky MS Paint curves is pure mathematical blasphemy!
It's like watching someone solve differential equations with an abacus. Every mathematician viewing this just felt a disturbance in the force.