Imagine being in IT for 30 years and not understand #Bitcoin. if you've been in IT for that long you should be a billionaire! Why because the opportunity was on a plate for you, it was an A symmetrical bet on your experience of predictable outcomes. or you just pushed buttons on a computer.
Discussion
There's a difference between understanding technology (some of it) and understanding philosophy, economics, history, politics, banking, etc.
It's not fair to say that they should have understood the need for #Bitcoin simply because they worked in IT (which can mean many things anyway).