I'm old enough (fortunately or not) to remember many arguments starting in the same way:
"But why do we use transistors? I mean, I remember . . . "
"But why do we use integrated circuits? I mean, I remember . . . "
"But why do we use microprocessors? I mean, I remember . . . "
I've seen the advent of SSI, LSI, and VLSI.
Yet I look around, and I still see vacuum tubes in kilowatt and megawatt applications (as well as high-end consumer audio), discrete transistors, and integrated circuits (including ASICs and PLAs).
And any old ham will tell you: There's nothing like building your own stuff, then proving it works by using it to talk to someone hundreds or thousands of miles away--wireless! It sure as hell beats a "blinky".
Electronics is an art, not a science.
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