This GIF of rotating, intersecting planes made by Julapy using his code called "ofxDither," an add-on for openframeworks, looks "cool" but it's mostly about style, isn't it?
If there is a point to making 1-bit artwork at this late date it's to have an image that loads super-fast because it's effectively weightless: a neutrino in a web increasingly dominated by heavy elements.
1-bit GIFs in the 2.7 Megabyte range are like an Iron Butterfly. Or a Lead Zeppelin.