Do they ask every Canadian or just a handful whom they know will give them the answers they want.
people subscribe to polls and are asked their opinions on many assorted topics. It can be asking if you know a brand of laundry detergent, your opinion of that detergent or what you think of the protests or other more serious subjects.
Feel free to join and see for yourself.
they of course are not polling every Canadian but these polls are always accompanied by the number of respondents.
You can project it to a larger group (eg all Canadians) if you wish or you can chalk it up to a statistical anomaly.
But to outright dismiss any findings simply because you don’t agree is to be close minded. They are a snapshot, a representative sample. They are not however made up results nor are they conducted only among a favourable audience. Every antivaxxer in Canada can sign up today and swing the polls in their direction.