/r/50501 Mirror

The train station was just the straw that broke the camel's back.

And you need to consider that the entire US society is architected to keep Americans isolated from each other - from keeping people moving around on their little metal cages, to promoting suburban little castles with grass moats as "the dream", to the destruction of third spaces - so 20k people getting out of their bubble and showing up in every city is impressive.