A little bit of that, and a lot of bits of compulsive overworkers we sometimes had to chase out of the office so they would sleep. Particularly important if you are a big believer - as I am - in the diminishing returns of time expended for knowledge workers ( IME, it eventually goes negative )...
When I worked for Sun, I was stunned they didn't track sick days. They trusted you not to abuse it. Even if it was a mental health day.
Never heard of anyone abusing it.
Then compare that with Harnmaster ( at least the 1986 edition ) which had locations and degrees of severity that had their own saves and a count-up damage system for the locations...
My earliest "Oooooooh" moments in this space were Whispering Vault and Feng Shui. I feel like Paranoia and Ghostbusters need to be considered more strongly here as well, but I did not own GB...