There was no nuance back then in those discussions. Sure, strikeouts are the same as other outs, and preferable to multi-out plays, but they do matter in terms of hitter evaluation. Back then, the sabermetrics proponents wrote off strike outs completely (at least those on the board).Yeah a lot of the talk was about OBP being more important than BA and strikeouts were the same as other outs which is basically true but highly controversial at the time.
There were a lot of things that weren’t captured though like defensive metrics and Adam Dunn was an abysmal outfielder. He was a good player in his way but he kind of became a symbol of the stars movement because of how much he walked and struck out.