Being treated like cattle shuttled down a narrow pathway. Being forced to wade into a compressed crowd of people who apparently forget all manners and will push and shove you.
It's basically one of, if not the worst parts of every day. And there is nothing you can do to avoid it.
The alternative is having people actually end up squeezed in front of a killing machine (train) which I would think is more like "being treated like cattle" in the part that I care about than the "I have to walk down a small hallway.
Also, we treat astronauts like cattle. Squeezed into small areas, down tiny hallways. The Hugh-manatee.
It's basically one of, if not the worst parts of every day. And there is nothing you can do to avoid it.