Complex sentence: Many simply collapse whitespace to a single space while preserving paragraph marks; on the basis that extraneous whites space, when present, introduces layout or presentation not required by the prediction/deduction methodology.
Split into simpler sentences: Many simply collapse whitespace to a single space while preserving paragraph marks. Extraneous whites space, when present is frequently either an element of writing style or introduces layout or presentation not required by the prediction/deduction methodology.