It shouldn't be on the customer to investigate every company they deal with. The public will only know when it becomes so bad that these kind of news stories start coming out. If public opinion is that bad, it should be regulated. Or the drivers need to unionize. I think it's only a matter of time before the drivers join the teamsters.
You can see it in the url here because he wasn't trying to hide it. He could have linked to a blog post containing a hidden element that does the get (after checking if the referer is HN).