You’re answering a different question. First you said 19th-century doctors were especially willpowered, then you said willpower is also a factor in today’s doctors. Now you say the difference is not willpower but the population examined. You’re not only not giving any evidence for you claims; you’re running in circles.
I think he’s saying that the original population didn’t notice it because of high willpower, then it get into the mainstream population who didn’t have as high willpower, at which point we began to get data on the effects in a low willpower situation.
The fact that today we have data on its effects on people who aren’t high-willpower doctors.
You’re answering a different question. First you said 19th-century doctors were especially willpowered, then you said willpower is also a factor in today’s doctors. Now you say the difference is not willpower but the population examined. You’re not only not giving any evidence for you claims; you’re running in circles.
I think he’s saying that the original population didn’t notice it because of high willpower, then it get into the mainstream population who didn’t have as high willpower, at which point we began to get data on the effects in a low willpower situation.
Reread my comments again. Your failure at basic English comprehention is not my problem.