maybe i am wrong, but i think you did not read the full article?

"This article estimates that the average password is merely 40 bits strong, and that estimate is already higher than some of the others. In order to guess a 40 bit password you will need to test 2^39 guesses on average. If you do the math, cracking a password will take merely a minute on average then. Sure, you could choose a stronger password. But finding a considerably stronger password that you can still remember will be awfully hard."