A full 3D game -- renderer, physics engine, scripting runtime -- exported to WebAssembly is 35MB. The default Node.js Docker image is hundreds of MB, pulled 19 million times last week.
Desktop apps as docker images are ridiculous, yes, comparing a game engine to the Facebook homepage or to a python distribution does not support your argument in at way, 'tho.
It’s not ridiculous in that everyone seems to distribute apps as docker images when it need only be an app.
It’s equivalent to if everyone distributed apps as 4GB VM images.
Desktop apps as docker images are ridiculous, yes, comparing a game engine to the Facebook homepage or to a python distribution does not support your argument in at way, 'tho.