My favorite detail here is this brag: “Over the past 3 years, we’ve built over 1MB of working code.” Cross-compilers, assemblers, simulators, and debuggers targeting six architectures across a dozen hosts. This code was dense.
The 80’s #UNIX wars were a wild time.
It’s also very fun to read the articles from the time and see what they were predicting for the future. “UNIX for the masses” was a popular topic.