One-off doesn't mean second-rate
I stated:
"I can not go along with the idea that because it is "one off" "amateur" or whatever second rate is acceptable.", nice to see you almost agree

People learn by making mistakes.
Absolutely, but what if they do not know it is a mistake?
If someone makes something work in a less than optimum way, how does he know it is a "mistake"?

I started in this business long before the internet, discussion forums etc. and made many things that worked, which I, today, regret I made that way. Some were too costly because I did not know the existence of a much cheaper method (and, in those days, chips cost real money). Some were too limited because I knew no better, but they all worked. That should illustrate that I did not "learn from my mistakes" that I did not know were mistakes.

Erik