One thing to remember on this topic is the there is very much a contrast intended between the political campaigns and the commercial campaigns; 'as' or 'like' do not bring out the contrast One can dismiss A through D for this antithetical divergence of meaning. Only E displays contrast through the contract marker 'unlike'. Therefore, E.
A. dissecting issues and not oversimplifying them,as in campaign commercials
B. dissecting issues instead of oversimplifying them,like campaign commercials
C.
...
A. dissecting issues and not oversimplifying them,as in campaign commercials
B. dissecting issues instead of oversimplifying them,like campaign commercials
C.
...
