Right, several non-major browsers do this with major browser's rendering engines (I wrote one: https://cretz.github.io/doogie/ https://cretz.github.io/doogie/).

Right, several non-major browsers do this with major browser's rendering engines (I wrote one: https://cretz.github.io/doogie/ https://cretz.github.io/doogie/). I am criticizing the big four browser vendors specifically as opposed to the community.