I thought it was telling that the reponses were so clear-cut: the polls feed into a media game that fools everybody... but me.
I quoted it in my argument above because it tends to back up what I'm saying about respondents being more and more reluctant and cagy - or downright making up responses. The primary (or sincere, or naïve) nature of responses can no longer be counted on at all.
See this in Le Monde.