Reductionism doesn’t mean that things can be reduced to lower levels but that they should—it actually objections to high level statements and considers them worse.
Conventionally, and confusingly, the word reductionism has two meanings:
Reductionism can either mean (a) an approach to understanding the nature of complex things by reducing them to the interactions of their parts, or to simpler or more fundamental things or (b) a philosophical position that a complex system is nothing but the sum of its parts, and that an account of it can be reduced to accounts of individual constituents.
Conventionally, and confusingly, the word reductionism has two meanings: