Some of my retrocomputing interests can be attributed to:
I would've not survived as a programmer in the 70s/80s for a small company. I lack the cognitive bandwidth to work on assembly code and think algorithms through from first principles. And no internet, so I would've had to read books/other resources, and pray I can find them. And then pray I gleam the same insights that 70s/80s programmers did. And I hate* that I don't have those skills.
* Not the correct word, but it's a regret.