Kryth on Instagram: "The post features an 18-second video of a handheld sandblaster dramatically stripping thick rust from a car frame in large flakes, revealing shiny metal, captioned in Japanese as "Isn't this brutal?" to highlight its intense visual impact. Viewer replies, over 300 in number, largely debunk it as AI-generated or staged, noting impossibilities like instant uniform flaking and overly smooth surfaces that contradict real abrasive blasting mechanics, where pitting and uneven eros