github lanwangji has done some serious problematic stuffs ᶦᶠ ᵘ ᵃᶜᵗᵘᵃˡˡʸ ᵗʰᶦⁿᵏ ᵗʰᶦˢ ᶦˢ ʳᵉᵃˡ ᵍᵉᵗ ᵃ ᵍʳᶦᵖ usage of slurs death threats