I believe the concern is that the sample of respondents is not random, and indeed, not really representative of any particular population. Thus, the data reflects the bias not of the population of that specific area alone but also the channels via which this program is disseminated.
DoesHeSmellikeaBitch t1_ir2rn0f wrote
Reply to comment by ClimbinDdRT in An anonymous polling site for sensitive topics, with live stats and a heatmap (NEW: add your own questions!) by bowelcrusher
I believe the concern is that the sample of respondents is not random, and indeed, not really representative of any particular population. Thus, the data reflects the bias not of the population of that specific area alone but also the channels via which this program is disseminated.