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Scientists are hoping to redefine the second – here's why
(theconversation.com)
This is a most excellent place for technology news and articles.
For computers, Unix time is in binary. But yes.
However, humans can get used to longer/shorter seconds, minutes and hours. Arguing the opposite is like saying the meter would never work because it doesn't have a human body relation like feet. The problem is the sheer amount of documents, equipment and SI using the 24/60/60 system, and the indivisibility of 365.24.
The divisibility of 60 is useful, too. It has 1, 2, 3, 4, 5, and 6 (plus any combination of the above) as factors making dividing time a relatively simple operation.