It's surprising that the article doesn't mention the absolutely over-the-top security procedures in American airports.

I've been to Changi and Incheon, security was fast and smooth, and then you had waiting spaces with comfortable armchairs, nice exhibitions and beautiful gardens. In US airports the security process is slow, they confiscate your snow globes for no apparent reason, and the PA system constantly reminds you that you have to be watchful because the alert level is orange (or it was like that a few years ago, at least). And the article seems to think that what they need to make us feel better is to invest some money on having better shops...