That's just standard sampling bias: https://en.wikipedia.org/wiki/Sampling_bias https://en.wikipedia.org/wiki/Sampling_bias It's why public internet polls are

That's just standard sampling bias: https://en.wikipedia.org/wiki/Sampling_bias https://en.wikipedia.org/wiki/Sampling_bias It's why public internet polls are more for fun/validating confirmation bias than actually gleaning actionable statistical insight, and why no one does them anymore. In this particular instance, the presentation and call-to-action rules out the "fun" angle of the poll.