Millennials grew up alongside modern computing (meaning the two matured together). We dealt with everything from BASIC on a C64 to DOS and then through Windows 3 through current. We also grew up alongside Linux

Only the oldest millenials did. When the youngest were born, the internet and Windows 95 were readily available and they were in middle school when the iPhone came out.

And we absolutely wanted to shoot the tester who gave us this use case.

Why? Because he tested well and broke the software? A user changing their mind during a guided activity absolutely is a valid use case.

More like:

Computer scientist: We have made a text generator

Everyone: tExT iS iNtElLiGeNcE

Was? What did I miss? Even if it was discarded, there will aways be another attempt.