If there was a bad era, it would be spinoff NCR. Before AT&T, they largely engineered their own solutions and did well at it. Afterwards, a lot less R&D, and an unhealthy reliance on services/COTS hardware. Even with that said, NCR still did well enough to survive.
Sadly, the Democrats at city and state level horribly screwed up enough to have them move the world headquarters to Georgia. The mayor, Rhine “fancy hats” McLin, assumed that NCR was bluffing despite there being 15-20 years of evidence otherwise; Strickland failed at the state level by not matching competing offers that NCR disclosed to him.
Disclaimer: I know an uncountable amount of (former) employees through immediate family, good friends, and numerous classmates.
Though I worked at a sorta paternalistic org for decades, I don’t recommend it.