Why is Van Gogh under attack?

Vincent van Gogh, Landscape with Ploughman, L1333

Shocking footage shows protestors throwing soup over Van Gogh's 'Sunflowers' at National Gallery in London - Irish Mirror Online

Vincent van Gogh: Mountains at Saint-Rémy Poster - Guggenheim Museum Store

Van Gogh, painting from hell

Damaging a masterpiece: Has climate action gone too far?

The last days of Vincent Van Gogh

Van Gogh's Sunflowers attacked with tomato soup by environmentalists

Van Gogh's Nomadic Life Timeline

Art attack: can vandalism be justified to save the planet?, Letters

Van Gogh Ear Puts A Gallery Under Attack - Springtide Magazine