Missing what? These arguments were all had on the internet at the time, there's nothing we can add. Suffice it to say that the idea that an "environment" can make up for a severe performance handicap is a uniquely modern one informed by the existence of dual core multi-GHz devices that fit in a pocket.

If you were doing CAD work in 1990, you might not be so forgiving of a device that cost almost as much as a years salary for its user. And the market wasn't.