Though there is a degree of the desire to be persuaded in the first place that allows these sorts of people to actually become persuaded. Though because we live in a society, with others who are smarter or dumber or persuadable or not so persuadable, those that aren't easily persuaded are still concerned about the effects the persuadable have on the herd. The effect on the herd becomes a more meaningful point of interest than the persuadees themselves.