Well before offices were computerized at all some of the manual processes turned out to be more effective than after full computerization was completely accomplished. Which was sometimes decades later so nobody could tell which workflows it actually applied to, or wouldn't believe it anyway by the 21st century.
It was truly quite rare to have such well-honed manual processes though, the "average" place had a lot of elements that were far from perfect but still benefited after the computerization dust had settled. Then at the opposite end of the spectrum were companies where everything was an absolute shitshow, maybe since the beginning.
That's kind of where Conway's Law comes from, if you benchmark against a manual shitshow that has built up over the years, and replace it with a computerized version, you get a shitshow on steroids. The only other choice would have been to spend the appropriate number of years manually undoing the shitshow before making any really bold moves.
Now AI can really take things to a whole 'nother level, not just on steroids but possibly violating Conway's Law . . . squared.