Have you all read any old Apple II source? One reason very early on was to seed the PRNG (rnd() function) with variable input.

https://www.applefritter.com/content/random-number-generatio...

Maybe it carried over to modernity in the same way the apocryphal pot roast tale did: https://www.psychologytoday.com/us/blog/thinking-makes-it-so...