> I don't think that was the entire point. But who cares?
People who like language to have meaning?
> which presumably Fielding wasn't picturing
Fielding was describing an architectural style. Although there may have been an element of advocacy, at the end of the day whether you used it or not was not his concern.
> The implementation of REST as practiced by the industry is largely pragmatic.
In the same sense that the implementation of airships in Boeing’s 747 is largely pragmatic, except for the part where Boeing doesn’t misscall their plane an airship.
> The article appears to be arguing for REST purity.
Much like saying a serval is not a dog is arguing for dog purity, yes.