GMAT Critical Reasoning (CR) | Re: Whenever a major political scandal erupts before an election

Question: All Parties (whole) blamed --> incumbents (Parts) OK

Ask: Find answer that contrast with the question.

Answer E: Incumbents (Part)blamed --> Parties (whole) NOT OK.

(because E indicates that even Incumbent is less responsible for scandal the party still gets punished. In short, as long as incumbent is involved the party gets punished.)

Just trying to explain from own understanding, is my logic correct?

(E) When major political scandals are less the responsibility of individual