Short version. They don't really know.
"Although it is unknown why 60 was chosen, it is notably convenient for expressing fractions, since 60 is the smallest number divisible by the first six counting numbers as well as by 10, 12, 15, 20 and 30."
"Although it is unknown why 60 was chosen, it is notably convenient for expressing fractions, since 60 is the smallest number divisible by the first six counting numbers as well as by 10, 12, 15, 20 and 30."
[1] http://en.wikipedia.org/wiki/Betteridge%27s_law_of_headlines
Personally, I wasn't upset at all. I really liked the article although it had a deceiving title.