Despite it only being played by like 43 people ever in Britain, all of them Scots, every adult in Britain is an armchair expert in Curling thanks to the winter Olympics as its basically the only thing we are competitive in on that level. Of course it helps that "brush faster!" is a valid thing to shout when watching a game, lol.
When it comes to the normal Olympics we are all experts in cycling, where of course "peddle faster!" is a valid thing to shout