I agree it's pretty stupid - my best guess is that it could be % of total respondants, not % of total respondants that selected cons. Said another way - 74% of

I agree it's pretty stupid - my best guess is that it could be % of total respondants, not % of total respondants that selected cons. Said another way - 74% of Facebookers didn't list any cons, 78% of Googlers didn't list any cons.