But I grant that point, and so does the article. The problem is that most of the geography is not dense. Here's a classic and recent example from someone who c

But I grant that point, and so does the article. The problem is that most of the geography is not dense. Here's a classic and recent example from someone who commutes on Amtrak out of NYC, the most dense metro region in the USA: https://twitter.com/greg_thornbury/status/610132981571801089 https://twitter.com/greg_thornbury/status/610132981571801089