Earlier quoted context omitted.
Is it crazier than square dancing? Square dancing, freestyle canoe [2], cosplay, cross-stitch etc. These are all activities that people do for the sake of the activity itself without any extra motivation except maybe to be able to hang around with others. [2] https://www.youtube.com/watch?v=Ofq_nl366VM
In the UK, the local equivalent of square dancing might be morris dancing, and yes, people regularly mock it as a silly pursuit of weird people.
so it's like bitcoin 'investing' before computers.