Hot take:
Software always sucked. Yes. Even back in the old days.
The only difference, is that software is in our lives more than it was back then.
A great example of of how software has always been finicky, is that a single hyphen was enough to destroy a NASA Rocket. https://priceonomics.com/the-typo-that-destroyed-a-space-shuttle/
The Typo that Destroyed a NASA Rocket - Priceonomics
Priceonomics