The article is bad at explaining this, but the origin of the term is software that you would buy, you would then be presented with a EULA (after opening the shrink wrap on the box), then you would be unable to return it because it was opened.
It originated in the 80s before digital goods were really a thing.
That I like it - at a high level anyways. I'd guess that usually it's someone using it as part of their workflow to create something, rather than doing the creation entirely on it's own.
It was very uncomfortable.
Apparently that chair is a common soft lock people hit.