Do we know that William Shatnet wrote the text himself? It seems unlikely …
(This is not a dig at Sir Stewart, I'm just pointing out that the two concepts "working actor" and "lucid/sensible person" are not necessarily linked -- as demonstrated by Brando, Depardieu etc.)
For us, fans of the french revolution and the beheading of kings, it's just "Patrick".
Accuracy is independent of politics. Or, if you prefer to think of it this way, Know Your Enemy.