If they're using baryon acoustic oscillations and the cosmic microwave background, theyre describing the amount of hadrons in the universe after these extra one

If they're using baryon acoustic oscillations and the cosmic microwave background, theyre describing the amount of hadrons in the universe after these extra ones would have already become black holes, and be counted separately as "starting" as dark matter. A black hole enthusiast then needs to figure out why those black holes would form before big bang expansion