I am amazed on some basic denial there. There seems to be an unwillingness to admit the basic problem: that the time taken copying files is out of proportion with the amount of time it should take to read and write the bits given modern disk speeds. This doesn't have a damn thing to do with progress bars.

If you liked that show, you'll probably like the book that likely inspired it. Fewer cool pictures but more rigorous detail.

The Jurassic Programmer story is a very familiar one. One thing I learned the hard way is once you are a maintenance programmer, they'll never let you build the new system. Sadly, the failures described are legion as the people with the actual domain knowledge are ignored as the inexperienced with flashy buzzwords get to build "my first system".
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_{ウセーバラケダ}