[Paradox]

There are two kinds of “stuff” in the Universe: Matter, and Doesn’t Matter. The vast majority of stuff in the universe is composed of the latter..

[The Cajun]

There are two kinds of “stuff” in the Universe: Matter, and Doesn’t Matter. The vast majority of stuff in the universe is composed of the latter..

Sooooo, Dark Matter has to be the Doesn't Matter since it can't be the Matter making it also the Latter Matter in your statement.
You must be a "Fizzassist" to have figured all that out ;^)