At least he is a doctor checking blood pressure. Some of those people checking blood pressure seem to be temp service workers that were rejected from stocking shelves at Walmart. A real doctor or nurse knows how to do a proper blood pressure check.
I agree with what you have said. However, there is an argument to be made that a single solitary reading of blood pressure which fluctuates dramatically during the day and is influenced by food intake, physical position, emotional state, poor measurement techniques, and who knows what else, should not be a final determining measure of a drivers fitness for work. That plus the very method by which blood is measured in 99% of medical offices has been scientifically proven to be of questionable accuracy.
Whenever Im forced to submit to this process I insist on being able to lie down for 20 minutes in a darkened room prior to measurement. If the first measurement isn't satisfactory I insist upon a second, third, or even fourth measurement by different people.
Just so everyone is aware, if you receive a 90 day certificate for high blood pressure (140 or higher systolic) you can go immediately to a different place and get a second opinion. If that second opinion is that your pressure is good it automatically trumps the first opinion.