You offered two possible explanations for the use of a 2MP camera, (a) money, (b) risk. I was saying that, in this case, it did not really have to do with money.
My second sentence above was trying to point out that many people underestimate how important risk is to a space mission.
Oh, no, I wasn’t claiming that this change had anything to do with money. In this case it was clearly related to risk. I was just trying to make a general point.
Cost, schedule, risk. They are the fundamental resources for a project like this. Cost and schedule are more familiar than risk.